Fix tag-rajbos workflow by splitting into conditional steps for issues and PRs

Co-authored-by: rajbos <6085745+rajbos@users.noreply.github.com>

Author: Copilot

.github/workflows/tag-rajbos.yml

@@ -18,8 +18,18 @@ jobs:
       pull-requests: write
 
     steps:
-      - name: Tag rajbos on new issue or PR
+      - name: Tag rajbos on new issue
+        if: github.event_name == 'issues'
         uses: devops-actions/issue-comment-tag@v0.1.8
         with:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           team: rajbos
+          issue: ${{ github.event.issue.number }}
+
+      - name: Tag rajbos on new PR
+        if: github.event_name == 'pull_request'
+        uses: devops-actions/issue-comment-tag@v0.1.8
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          team: rajbos
+          pr: ${{ github.event.pull_request.number }}