update & streamline GH Actions runner images (#3025)

.github/workflows/contributors.yml

@@ -6,7 +6,7 @@ on:
 
 jobs:
   delete-old-branch:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     continue-on-error: true
     steps:
       - name: Delete old contributors-update branch
@@ -16,7 +16,7 @@ jobs:
           branches: contributors-update
 
   add-contributors:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     needs: delete-old-branch
     steps:
       - uses: actions/checkout@v3

.github/workflows/docs-preview-deploy.yml

@@ -15,7 +15,7 @@ on:
 jobs:
   preview:
     name: 'Deploy Preview'
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     if: ${{ github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success' }}
     steps:
 

.github/workflows/docs-preview-prepare.yml

@@ -23,7 +23,7 @@ permissions:
 jobs:
   prepare-preview:
     name: 'Build Preview'
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     env:
       BUILD_DIR: docs/site
       NETLIFY_SITE_PREFIX: pullrequest-${{ github.event.pull_request.number }}

.github/workflows/docs-production-deploy.yml

@@ -26,7 +26,7 @@ jobs:
     permissions:
       contents: write
     name: 'Deploy Docs'
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v3
 
@@ -73,7 +73,7 @@ jobs:
     permissions:
       contents: write
     name: 'Update `versions.json` if necessary'
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     if: startsWith(github.ref, 'refs/tags/')
     # Avoid race condition with pushing to `gh-pages` branch by waiting for `deploy` to complete first
     needs: deploy

.github/workflows/generic_build.yml

@@ -23,7 +23,7 @@ permissions:
 jobs:
   build-image:
     name: 'Build'
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     outputs:
       build-cache-key: ${{ steps.derive-image-cache-key.outputs.digest }}
     steps:

.github/workflows/generic_publish.yml

@@ -14,7 +14,7 @@ permissions:
 jobs:
   publish-images:
     name: 'Publish'
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: 'Checkout'
         uses: actions/checkout@v3

.github/workflows/generic_test.yml

@@ -13,7 +13,7 @@ permissions:
 jobs:
   run-tests:
     name: 'Test'
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         part: [serial, parallel/set1, parallel/set2, parallel/set3]

.github/workflows/handle_stalled.yml

@@ -12,7 +12,7 @@ jobs:
     permissions:
       issues: write
       pull-requests: write
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Close stale issues
         uses: actions/stale@v7

.github/workflows/linting.yml

@@ -10,7 +10,7 @@ permissions:
 
 jobs:
   lint:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout
         uses: actions/checkout@v3