ci(mpa2065): separate docker steps to see where its failing

.github/workflows/mpa2065.yml

@@ -41,10 +41,20 @@ jobs:
       - name: Configure Docker
         run: gcloud auth configure-docker ${{ env.REGION }}-docker.pkg.dev --quiet
 
-      - name: Build and Push JH Image
+      - name: Build JH Image
         run: |
           COMPOSE_DOCKER_CLI_BUILD=1 DOCKER_BUILDKIT=1 docker compose up jh_image
+
+      - name: List JH Image
+        run: |
+          docker images
+
+      - name: Tag JH Image
+        run: |
           docker tag jupyterhub-docker-images_jh_image:latest ${{ env.GAR_LOCATION}}:${GITHUB_REF##*/}
           docker tag jupyterhub-docker-images_jh_image:latest ${{ env.GAR_LOCATION}}:latest
+
+      - name: Push JH Image
+        run: |
           docker push ${{ env.GAR_LOCATION}}:latest
-          docker push ${{ env.GAR_LOCATION}}:${GITHUB_REF##*/}
+          docker push ${{ env.GAR_LOCATION}}:${GITHUB_REF##*/}