chore: pin workflow runners to ubuntu-24.04

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ permissions:
 
 jobs:
   verify:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
@@ -31,7 +31,7 @@ jobs:
   # Lighthouse on every PR and push to main: fails the check when a page breaks a
   # budget in lighthouserc.cjs, and posts the medians to the run's summary page.
   performance:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v6
       - uses: actions/setup-node@v6

.github/workflows/deploy.yml

@@ -22,7 +22,7 @@ jobs:
     if: >-
       github.event_name == 'workflow_dispatch' ||
       (github.event.workflow_run.conclusion == 'success' && github.event.workflow_run.event == 'push')
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v6
         with:

.github/workflows/links.yml

@@ -12,7 +12,7 @@ permissions:
 
 jobs:
   lychee:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v6
       - uses: lycheeverse/lychee-action@v2