ci: Explicitly set Ubuntu 22.04 runner

- Ensures stability during Ubuntu 24.04 transition period
- Avoids potential issues during the automatic rollout
- Will revisit after January 17th, 2025 when rollout completes

Author: pradhans0906

.github/workflows/docker-publish.yml

@@ -9,7 +9,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout code
         uses: actions/checkout@v4