add back concurrency option

Author: Panaetius

.github/workflows/publish.yml

@@ -6,7 +6,9 @@ on:
     tags:
       - "v*"
   workflow_dispatch:
-
+concurrency:
+  group: publish-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
 env:
   GITHUB_TOKEN: ${{ github.token }}
   RUST_BACKTRACE: 1