Update apidocs.yaml workflow to refine triggers and deployment conditions

- Remove id-token:write permission
- Add repository and event-based condition for `deploy-pages` step.
- Add `pull_request` trigger to `apidocs.yaml` workflow

Author: kpavlov

.github/workflows/apidocs.yaml

@@ -6,13 +6,13 @@ on:
       - published
   # Allow running this workflow manually from the Actions tab
   workflow_dispatch:
+  pull_request:
 
 jobs:
   deploy:
 
     permissions:
       pages: write      # to deploy to Pages
-      id-token: write   # to verify the deployment originates from an appropriate source
 
     environment:
       name: github-pages
@@ -46,4 +46,5 @@ jobs:
 
       - name: Deploy to GitHub Pages
         id: deployment
+        if: ${{ github.repository == 'modelcontextprotocol/kotlin-sdk' && ((github.event_name == 'release' && github.event.action == 'published') || github.event_name == 'workflow_dispatch') }}
         uses: actions/deploy-pages@v4