chore(examples): align directory deps with canvas kit peer ranges

Upgrade the directory example to a newer Canvas Kit release and pin React to 18.3.1 so npm install avoids peer override warnings.

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

Author: jheddings

examples/directory/package.json

@@ -9,9 +9,9 @@
     "clean": "rm -rf node_modules"
   },
   "dependencies": {
-    "@workday/canvas-kit-react": "^11",
+    "@workday/canvas-kit-react": "^15.0.6",
     "@workday/everywhere": "file:../..",
-    "react": "^19",
-    "react-dom": "^19"
+    "react": "^18.3.1",
+    "react-dom": "^18.3.1"
   }
 }