ci: restrict cancel-in-progress to PR and branch-push runs

.github/workflows/codespell.yml

@@ -9,8 +9,8 @@ on:
     branches: [master]
 
 concurrency:
-  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: true
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || (github.event_name == 'push' && github.ref) || github.run_id }}
+  cancel-in-progress: ${{ github.event_name == 'pull_request' || (github.event_name == 'push' && !startsWith(github.ref, 'refs/tags/')) }}
 
 permissions:
   contents: read