Add missing EOF newline

Author: samsrabin

.github/workflows/docs-pr-failure-post-comment.yml

@@ -63,4 +63,4 @@ jobs:
             echo "</details>"
           } > comment-body.md
 
-          gh pr comment "$PR_NUMBER" --repo "$REPO" --body-file comment-body.md
+          gh pr comment "$PR_NUMBER" --repo "$REPO" --body-file comment-body.md