ci: Skip login to image registry on pull_request

Signed-off-by: Christian Kadner <[email protected]>

Author: ckadner

.github/workflows/test.yml

@@ -47,6 +47,7 @@ jobs:
 
       - name: "Log in to cache image container registry"
         uses: docker/login-action@v3
+        if: github.event_name != 'pull_request'
         with:
           registry: ${{ env.CACHE_REGISTRY }}
           username: ${{ github.actor }}