Add workflow to link automated bugs on PR merge

Signed-off-by: Nandini Chandra <nachandr@redhat.com>

Author: nachandr

.github/workflows/link-automated-bugs.yml

@@ -28,7 +28,7 @@ jobs:
             const prUrl = context.payload.pull_request.html_url;
 
             // Get the diff for this PR
-            const { data: files } = await github.rest.pulls.listFiles({
+            const files = await github.paginate(github.rest.pulls.listFiles, {
               owner: context.repo.owner,
               repo: context.repo.repo,
               pull_number: prNumber,