using the token in the login

.forgejo/workflows/container-build.yml

@@ -16,8 +16,8 @@ jobs:
         env:
           REGISTRY_AUTH_FILE: ${{env.RUNNER_TEMP}}/auth.json
         run: |
-          echo "{}">"$REGISTRY_AUTH_FILE"
-          skopeo copy -a --dest-precompute-digests --dest-registry-token=${{ env.GITHUB_TOKEN }} containers-storage:localhost/keycloak:latest ${GITHUB_SERVER_URL//https:/docker:}/${{ env.GITHUB_REPOSITORY }}:latest
+          skopeo login -u '' -p ${GITHUB_TOKEN}
+          skopeo copy -a --dest-precompute-digests containers-storage:localhost/keycloak:latest ${GITHUB_SERVER_URL//https:/docker:}/${{ env.GITHUB_REPOSITORY }}:latest
       - name: Cleanup
         run: |
           buildah rmi -f localhost/keycloak