[core] Harden GitHub Actions permissions (#6396)

.github/workflows/check-if-pr-has-label.yml

@@ -8,6 +8,8 @@ jobs:
   test-label-applied:
     # Tests that label is added on the PR
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
     steps:
       - uses: mnajdova/github-action-required-labels@v2.1
         with:

.github/workflows/codeql.yml

@@ -12,17 +12,14 @@ jobs:
       actions: read
       contents: read
       security-events: write
-
     strategy:
       fail-fast: false
       matrix:
         language: ['javascript', 'typescript']
         # Learn more about CodeQL language support at https://aka.ms/codeql-docs/language-support
-
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
-
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v2
@@ -34,7 +31,6 @@ jobs:
 
           # Details on CodeQL's query packs refer to : https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-code-scanning#using-queries-in-ql-packs
           # queries: security-extended,security-and-quality
-
       - name: Perform CodeQL Analysis
         uses: github/codeql-action/analyze@v2
         with:

.github/workflows/l10n.yml

@@ -10,6 +10,9 @@ jobs:
   # Tests dev-only scripts across all supported dev environments
   update-l10n:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      issues: write
     steps:
       - run: echo "${{ github.actor }}"
       - uses: actions/checkout@v3
@@ -22,11 +25,8 @@ jobs:
         env:
           # Don't need playwright in this job
           PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: 1
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - name: yarn l10n --report
         env:
-          # Don't need playwright in this job
-          PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: 1
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           git remote -v

.github/workflows/maintenance.yml

@@ -1,4 +1,5 @@
-name: 'Maintenance'
+name: Maintenance
+
 on:
   # So that PRs touching the same files as the push are updated
   push:
@@ -17,6 +18,9 @@ on:
 jobs:
   main:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: write
     steps:
       - name: check if prs are dirty
         uses: eps1lon/actions-label-merge-conflict@releases/2.x

.github/workflows/issue-mark-duplicate.yml → .github/workflows/mark-duplicate.yml

@@ -1,4 +1,4 @@
-name: Issue Mark Duplicate
+name: Mark duplicate
 
 on:
   issue_comment:
@@ -7,6 +7,10 @@ on:
 jobs:
   mark-duplicate:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      issues: write
+      pull-requests: write
     steps:
       - name: mark-duplicate
         uses: actions-cool/issues-helper@v3

.github/workflows/no-response.yml

@@ -12,6 +12,9 @@ on:
 jobs:
   noResponse:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: write
     steps:
       - uses: lee-dohm/no-response@v0.5.0
         with:

.github/workflows/support-stackoverflow.yml

@@ -1,16 +1,16 @@
 # Configuration for support-requests - https://github.com/dessant/support-requests
-name: 'Support Stack Overflow'
+name: Support Stack Overflow
 
 on:
   issues:
     types: [labeled, unlabeled, reopened]
 
-permissions:
-  issues: write
-
 jobs:
   mark-support:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      issues: write
     steps:
       - uses: dessant/support-requests@v2
         with:

.github/workflows/vale-action.yml

@@ -1,10 +1,14 @@
-name: reviewdog
+name: Vale action
+
 on: [pull_request]
 
 jobs:
   vale:
     name: runner / vale
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: write
     steps:
       - uses: actions/checkout@v3
       - uses: errata-ai/vale-action@reviewdog