fix(ci): Keep antd at 6.5.2 to avoid Yarn quarantine

antd@6.5.4 is quarantined by Yarn's time gate, which broke the CircleCI
setup job when github-app is added to the workspace.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: ntucker

examples/github-app/package-lock.json

@@ -59,7 +59,7 @@
     "@data-client/react": "0.18.1",
     "@data-client/rest": "0.18.1",
     "temporal-polyfill": "^0.3.0",
-    "antd": "6.5.4",
+    "antd": "6.5.2",
     "core-js": "^3.48.0",
     "history": "^5.3.0",
     "parse-link-header": "^2.0.0",