Repair wp/5.9 branch Actions: pin runner images instead of *-latest

.github/workflows/build-plugin-zip.yml

@@ -25,7 +25,7 @@ concurrency:
 jobs:
     compute-stable-branches:
         name: Compute current and next stable release branches
-        runs-on: ubuntu-latest
+        runs-on: 'ubuntu-24.04'
         if: ${{ github.event_name == 'workflow_dispatch' }}
         outputs:
             current_stable_branch: ${{ steps.get_branches.outputs.current_stable_branch }}
@@ -50,7 +50,7 @@ jobs:
 
     bump-version:
         name: Bump version
-        runs-on: ubuntu-latest
+        runs-on: 'ubuntu-24.04'
         needs: compute-stable-branches
         if: |
             github.event_name == 'workflow_dispatch' && (
@@ -157,7 +157,7 @@ jobs:
 
     build:
         name: Build Release Artifact
-        runs-on: ubuntu-latest
+        runs-on: 'ubuntu-24.04'
         needs: bump-version
         if: |
             always() && (
@@ -217,7 +217,7 @@ jobs:
     revert-version-bump:
         name: Revert version bump if build failed
         needs: [bump-version, build]
-        runs-on: ubuntu-latest
+        runs-on: 'ubuntu-24.04'
         if: |
             always() &&
             ( needs.build.outputs.job_status == 'failure' ) &&
@@ -262,7 +262,7 @@ jobs:
     create-release:
         name: Create Release Draft and Attach Asset
         needs: [bump-version, build]
-        runs-on: ubuntu-latest
+        runs-on: 'ubuntu-24.04'
 
         steps:
             - name: Set Release Version

.github/workflows/bundle-size.yml

@@ -34,7 +34,7 @@ concurrency:
 jobs:
     build:
         name: Check
-        runs-on: ubuntu-latest
+        runs-on: 'ubuntu-24.04'
 
         steps:
             - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1

.github/workflows/create-block.yml

@@ -20,7 +20,7 @@ concurrency:
 jobs:
     checks:
         name: Checks
-        runs-on: ubuntu-latest
+        runs-on: 'ubuntu-24.04'
         if: ${{ github.repository == 'WordPress/gutenberg' || github.event_name == 'pull_request' }}
 
         steps:

.github/workflows/end2end-test.yml

@@ -20,7 +20,7 @@ concurrency:
 jobs:
     admin:
         name: Admin - ${{ matrix.part }}
-        runs-on: ubuntu-latest
+        runs-on: 'ubuntu-24.04'
         if: ${{ github.repository == 'WordPress/gutenberg' || github.event_name == 'pull_request' }}
         strategy:
             fail-fast: false

.github/workflows/static-checks.yml

@@ -20,7 +20,7 @@ concurrency:
 jobs:
     check:
         name: All
-        runs-on: ubuntu-latest
+        runs-on: 'ubuntu-24.04'
         if: ${{ github.repository == 'WordPress/gutenberg' || github.event_name == 'pull_request' }}
 
         steps:

.github/workflows/unit-test.yml

@@ -22,7 +22,7 @@ concurrency:
 jobs:
     unit-js:
         name: JavaScript
-        runs-on: ubuntu-latest
+        runs-on: 'ubuntu-24.04'
         if: ${{ github.repository == 'WordPress/gutenberg' || github.event_name == 'pull_request' }}
 
         steps:
@@ -50,7 +50,7 @@ jobs:
 
     unit-php:
         name: PHP
-        runs-on: ubuntu-latest
+        runs-on: 'ubuntu-24.04'
         if: ${{ github.repository == 'WordPress/gutenberg' || github.event_name == 'pull_request' }}
 
         steps: