fixup! feat(docs): add workflow to generate documentation on PR merge

Author: rvagg

.github/workflows/check-and-gen.yml

@@ -14,7 +14,7 @@ defaults:
     shell: bash
 
 concurrency:
-  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 permissions: