Release automation workflows

.github/workflows/bump-version.yml

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+name: bump-version
+
+on:
+  release:
+    types: [ published ]
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'The optional version string for the next release.'
+        required: false
+        type: string
+        default: ''
+
+permissions: {}
+
+jobs:
+  bump-version:
+    runs-on: [ ubuntu-latest ]
+
+    concurrency:
+      group: ${{ github.workflow }}
+      cancel-in-progress: false
+
+    permissions:
+      contents: write
+      pull-requests: write
+
+    steps:
+
+      - name: Checkout code
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
+
+      - name: Bump version
+        id: bump-version
+        shell: pwsh
+        env:
+          NEXT_VERSION: ${{ inputs.version }}
+        run: |
+          $properties = Join-Path "." "Directory.Build.props"
+
+          $xml = [xml](Get-Content $properties)
+          $versionPrefix = $xml.SelectSingleNode('Project/PropertyGroup/VersionPrefix')
+
+          if (-Not [string]::IsNullOrEmpty(${env:NEXT_VERSION})) {
+            $version = [System.Version]::new(${env:NEXT_VERSION})
+          } else {
+            $version = [System.Version]::new($versionPrefix.InnerText)
+            $version = [System.Version]::new($version.Major, $version.Minor, $version.Build + 1)
+          }
+
+          $updatedVersion = $version.ToString()
+          $versionPrefix.InnerText = $updatedVersion
+
+          $settings = New-Object System.Xml.XmlWriterSettings
+          $settings.Encoding = New-Object System.Text.UTF8Encoding($false)
+          $settings.Indent = $true
+          $settings.OmitXmlDeclaration = $true
+
+          $writer = [System.Xml.XmlWriter]::Create($properties, $settings)
+
+          $xml.Save($writer)
+
+          $writer.Flush()
+          $writer.Close()
+          $writer = $null
+
+          "" >> $properties
+
+          "version=${updatedVersion}" >> $env:GITHUB_OUTPUT
+
+      - name: Push changes to GitHub
+        id: push-changes
+        shell: pwsh
+        env:
+          GIT_COMMIT_USER_EMAIL: 'github-actions[bot]@users.noreply.github.com'
+          GIT_COMMIT_USER_NAME: 'github-actions[bot]'
+          NEXT_VERSION: ${{ steps.bump-version.outputs.version }}
+        run: |
+          $gitStatus = (git status --porcelain)
+
+          if ([string]::IsNullOrEmpty($gitStatus)) {
+            throw "No changes to commit."
+          }
+
+          git config color.diff always
+          git --no-pager diff
+
+          $branchName = "bump-version-${env:NEXT_VERSION}"
+
+          git config user.email ${env:GIT_COMMIT_USER_EMAIL} | Out-Null
+          git config user.name ${env:GIT_COMMIT_USER_NAME} | Out-Null
+          git fetch origin --no-tags | Out-Null
+          git rev-parse --verify --quiet "remotes/origin/${branchName}" | Out-Null
+
+          if ($LASTEXITCODE -eq 0) {
+            Write-Host "Branch ${branchName} already exists."
+            exit 0
+          }
+
+          git checkout -b $branchName
+          git add .
+          git commit -m "Bump version`n`nBump version to ${env:NEXT_VERSION} for the next release."
+          git push -u origin $branchName
+
+          "branch-name=${branchName}" >> $env:GITHUB_OUTPUT
+          "updated-version=true" >> $env:GITHUB_OUTPUT
+          "version=${env:NEXT_VERSION}" >> $env:GITHUB_OUTPUT
+
+      - name: Create pull request
+        if: steps.push-changes.outputs.updated-version == 'true'
+        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
+        env:
+          BASE_BRANCH: ${{ github.event.repository.default_branch }}
+          HEAD_BRANCH: ${{ steps.push-changes.outputs.branch-name }}
+          NEXT_VERSION: ${{ steps.push-changes.outputs.version }}
+        with:
+          script: |
+            const nextVersion = process.env.NEXT_VERSION;
+            const { repo, owner } = context.repo;
+            const workflowUrl = `${process.env.GITHUB_SERVER_URL}/${owner}/${repo}/actions/runs/${process.env.GITHUB_RUN_ID}`;
+
+            const { data: pr } = await github.rest.pulls.create({
+              title: 'Bump version',
+              owner,
+              repo,
+              head: process.env.HEAD_BRANCH,
+              base: process.env.BASE_BRANCH,
+              draft: true,
+              body: [
+                `Bump version to \`${nextVersion}\` for the next release.`,
+                '',
+                `This pull request was generated by [GitHub Actions](${workflowUrl}).`
+              ].join('\n')
+            });
+
+            core.notice(`Created pull request ${owner}/${repo}#${pr.number}: ${pr.html_url}`);
+
+            try {
+              const { data: milestones } = await github.rest.issues.listMilestones({
+                owner,
+                repo,
+                state: 'open',
+              });
+
+              const title = `v${nextVersion}`;
+              let milestone = milestones.find((p) => p.title === title);
+
+              if (!milestone) {
+                const created = await github.rest.issues.createMilestone({
+                  owner,
+                  repo,
+                  title,
+                });
+                milestone = created.data;
+              }
+
+              await github.rest.issues.update({
+                owner,
+                repo,
+                issue_number: pr.number,
+                milestone: milestone.number
+              });
+            } catch (error) {
+              // Ignore
+            }
+
+  close-milestone:
+    runs-on: [ ubuntu-latest ]
+    if: github.event_name == 'release'
+
+    concurrency:
+      group: ${{ github.workflow }}
+      cancel-in-progress: false
+
+    permissions:
+      issues: write
+
+    steps:
+
+      - name: Close milestone
+        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
+        env:
+          RELEASE_DATE: ${{ github.event.release.published_at }}
+          RELEASE_VERSION: ${{ github.event.release.tag_name }}
+        with:
+          script: |
+            const { repo, owner } = context.repo;
+
+            const { data: milestones } = await github.rest.issues.listMilestones({
+              owner,
+              repo,
+              state: 'open',
+            });
+
+            const milestone = milestones.find((p) => p.title === process.env.RELEASE_VERSION);
+
+            if (!milestone) {
+              return;
+            }
+
+            try {
+              await github.rest.issues.updateMilestone({
+                owner,
+                repo,
+                milestone_number: milestone.number,
+                state: 'closed',
+                due_on: process.env.RELEASE_DATE,
+              });
+            } catch (error) {
+              // Ignore
+            }

.github/workflows/release.yml

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+name: release
+
+on:
+  workflow_dispatch:
+    inputs:
+      publish:
+        description: 'If true, does not create the release as a draft.'
+        required: false
+        type: boolean
+        default: false
+
+permissions: {}
+
+jobs:
+  release:
+    runs-on: [ ubuntu-latest ]
+
+    concurrency:
+      group: ${{ github.workflow }}
+      cancel-in-progress: false
+
+    permissions:
+      contents: write
+      issues: write
+
+    steps:
+
+      - name: Checkout code
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
+
+      - name: Get version
+        id: get-version
+        shell: pwsh
+        run: |
+          $properties = Join-Path "." "Directory.Build.props"
+          $xml = [xml](Get-Content $properties)
+          $version = $xml.SelectSingleNode('Project/PropertyGroup/VersionPrefix').InnerText
+          "version=${version}" >> $env:GITHUB_OUTPUT
+
+      - name: Create release
+        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
+        env:
+          DEFAULT_BRANCH: ${{ github.event.repository.default_branch }}
+          DRAFT: ${{ inputs.publish != true }}
+          VERSION: ${{ steps.get-version.outputs.version }}
+        with:
+          script: |
+            const { repo, owner } = context.repo;
+            const draft = process.env.DRAFT === 'true';
+            const version = process.env.VERSION;
+            const tag_name = `v${version}`;
+            const name = tag_name;
+
+            const { data: notes } = await github.rest.repos.generateReleaseNotes({
+              owner,
+              repo,
+              tag_name,
+              target_commitish: process.env.DEFAULT_BRANCH,
+            });
+
+            const body = notes.body
+              .split('\n')
+              .filter((line) => !line.includes(' @dependabot '))
+              .filter((line) => !line.includes(' @github-actions '))
+              .join('\n');
+
+            const { data: release } = await github.rest.repos.createRelease({
+              owner,
+              repo,
+              tag_name,
+              name,
+              body,
+              draft,
+            });
+
+            core.notice(`Created release ${release.name}: ${release.html_url}`);