bumps ubuntu version to 22.04 as 20.04 was retired

Author: micheleorselli

.github/workflows/update_version.yml

@@ -61,7 +61,7 @@ jobs:
 
   publish_docker_images:
     needs: [update-version]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     if: github.ref == 'refs/heads/main' || github.event_name == 'release'
     steps: