Update publish.yml (#16865)

Author: penalosa

.github/workflows/publish.yml

@@ -1,5 +1,9 @@
 on: [push, workflow_dispatch]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   publish:
     runs-on: ubuntu-22.04