fix: Pin Ubuntu image to allow link checker action to run (#8242)

Author: cshfang

.github/workflows/check_for_broken_links.yml

@@ -8,7 +8,7 @@ permissions:
   id-token: write
 jobs:
   LinkChecker:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout repository
         uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6