Update build-pr-cmk.yml

Author: shwstppr

.github/workflows/build-pr-cmk.yml

@@ -39,3 +39,17 @@ jobs:
           path: cmk.linux.x86-64.pr${{ github.event.pull_request.number }}
           if-no-files-found: error
 
+      - name: Comment on PR with artifact link
+        if: ${{ github.event_name == 'pull_request' }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          PR_NUMBER: ${{ github.event.pull_request.number }}
+          RUN_ID: ${{ github.run_id }}
+          REPO: ${{ github.repository }}
+        run: |
+          COMMENT="✅ Build complete for PR #${PR_NUMBER}%0A🔗 [Download the cmk binary](https://github.com/${REPO}/actions/runs/${RUN_ID})"
+          curl -s -X POST \
+            -H "Authorization: Bearer ${GITHUB_TOKEN}" \
+            -H "Content-Type: application/json" \
+            -d "{\"body\": \"${COMMENT}\"}" \
+            "https://api.github.com/repos/${REPO}/issues/${PR_NUMBER}/comments"