Sync .github directory with azure-sdk-tools for PR 15134 (#46333)

* Add GitHub Action run link to APIView PR comment

Agent-Logs-Url: https://github.com/Azure/azure-sdk-tools/sessions/0a4d8e3c-c96b-4265-905c-5f8918876354

Co-authored-by: raych1 <20296335+raych1@users.noreply.github.com>

* Pass GitHubActionRunUrl via environment variable and use IsNullOrWhiteSpace guard

Agent-Logs-Url: https://github.com/Azure/azure-sdk-tools/sessions/61d68e76-9b14-444b-b244-44d770e9a9b2

Co-authored-by: raych1 <20296335+raych1@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: raych1 <20296335+raych1@users.noreply.github.com>
Co-authored-by: Ray Chen <raychen@microsoft.com>

Author: 3 people

.github/workflows/post-apiview.yml

@@ -31,5 +31,7 @@ jobs:
       - name: Create APIView Comment on PR
         run: |
           . "eng/common/scripts/Helpers/ApiView-Helpers.ps1"
-          Set-ApiViewCommentForRelatedIssues -HeadCommitish ${{ github.event.check_run.head_sha }} -AuthToken ${{ secrets.GITHUB_TOKEN }}
+          Set-ApiViewCommentForRelatedIssues -HeadCommitish ${{ github.event.check_run.head_sha }} -AuthToken ${{ secrets.GITHUB_TOKEN }} -GitHubActionRunUrl $env:GITHUB_ACTION_RUN_URL
         shell: pwsh
+        env:
+          GITHUB_ACTION_RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}