action/docs - concurency group for preview and closed action for prs

.github/workflows/pages_deploy_main.yaml

@@ -54,4 +54,4 @@ jobs:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           # Build output to publish to the `gh-pages` branch:
           publish_dir: ./web
-          publish_branch: gh-pages
+          publish_branch: gh-pages

.github/workflows/pages_requirement_preview.yaml

@@ -3,6 +3,11 @@ name: Requirement Preview Deploy
 on:
   # When a PR is merged (or force push to main)
   pull_request:
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - closed
     paths:
       - 'requirements/**/'
       - '.github/workflows/pages_requirement_preview.yaml'
@@ -12,6 +17,8 @@ permissions:
   contents: write
   pull-requests: write
 
+concurrency: preview-${{ github.ref }}
+
 jobs:
   deploy:
     runs-on: ubuntu-latest
@@ -32,4 +39,4 @@ jobs:
         uses: rossjrw/[email protected]
         with:
           source-dir: output/html/
-          umbrella-dir: requirements/pr-preview
+          umbrella-dir: requirements/pr-preview