Mirror config updates in push-app-image action.

.github/workflows/push-app-image.yml

@@ -27,7 +27,8 @@ jobs:
 
       - name: update version info
         run: |
-          git describe --tags >| VERSION
+          git fetch --tags
+          git describe --tags --always >| VERSION
           git rev-parse HEAD >> VERSION
 
       - name: Build the Docker image