Fix signing (again)

Author: Morl99

.github/workflows/build-and-publish.yml

@@ -123,5 +123,5 @@ jobs:
           DIGEST=${{ steps.build-and-push-release.outputs.digest }}
           TAGS=$(echo ${{ steps.meta.outputs.tags }} | tr ',' '\n')
           for TAG in $TAGS; do
-            cosign sign -y ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:$TAG
+            cosign sign -y $TAG
           done