chore: Windows x86 on GitHub Actions

.github/workflows/windows.yml

@@ -19,6 +19,10 @@ jobs:
           - 15
           - 16
 
+        architecture:
+          - x64
+          - x86
+
         include:
           - node: 12
             os: windows-2016
@@ -36,9 +40,10 @@ jobs:
         uses: actions/setup-node@v2.4.0
         with:
           node-version: ${{ matrix.node }}
+          architecture: ${{ matrix.architecture }}
 
       - name: Install packages
-        run: npm install --unsafe-perm
+        run: npm install
         env:
           SKIP_SASS_BINARY_DOWNLOAD_FOR_CI: true
 
@@ -48,7 +53,7 @@ jobs:
       - uses: actions/upload-artifact@v2
         if: github.repository_owner == 'sass' && github.event_name != 'pull_request'
         with:
-          name: ${{ matrix.node }}
+          name: ${{ matrix.node }}-${{ matrix.architecture }}
           path: |
             vendor/**/binding.node
             build/Release/binding.pdb

appveyor.yml

@@ -77,61 +77,3 @@
         secure: IZIifH990iABY3PQUtkRscTU/NOyYYwptGB6B1y2b618vpphV/2KD/4IWJzSAYAi
       on:
         appveyor_repo_tag: true       # deploy on tag push only
-
--
-  branches:
-    except:
-      - release
-      - /v\d\.\d\.\d/
-
-  skip_branch_with_pr: true
-  skip_tags: true
-
-  os: Visual Studio 2017
-
-  configuration: testing
-
-  platform:
-    - x86
-
-  version: "{build}"
-
-  build: off
-
-  clone_folder: c:\projects\node_modules\node-sass
-
-  init:
-    - cmd: >-
-        subst s: c:\projects
-    - ps: set-location -path s:\node_modules\node-sass
-
-  cache:
-    - '%userprofile%\.node-gyp'
-    - '%AppData%\npm-cache'
-
-  environment:
-    SKIP_SASS_BINARY_DOWNLOAD_FOR_CI: true
-    matrix:
-      - nodejs_version: 12
-        GYP_MSVS_VERSION: 2017
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
-      - nodejs_version: 14
-        GYP_MSVS_VERSION: 2017
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
-      - nodejs_version: 15
-        GYP_MSVS_VERSION: 2019
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
-      - nodejs_version: 16
-        GYP_MSVS_VERSION: 2019
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
-
-  install:
-    # https://www.appveyor.com/docs/lang/nodejs-iojs/#installing-any-version-of-nodejs-or-iojs
-    - ps: Update-NodeJsInstallation (Get-NodeJsLatestBuild $env:nodejs_version) $env:platform
-    - node --version
-    - npm --version
-    - npm install
-
-  test_script:
-    - ps: set-location -path c:\projects\node_modules\node-sass
-    - npm test