fix incorrect usage of tags

.github/workflows/nightly.yml

@@ -92,7 +92,8 @@ jobs:
           labels: |
             org.opencontainers.image.source=${{ github.repository }}
             org.opencontainers.image.revision=${{ github.sha }}
-            org.opencontainers.image.created=${{ github.run_id }}
+            org.opencontainers.image.created=${{ github.event.head_commit.timestamp }}
+
 
       - name: Push To GHCR
         id: push-to-registry