fix(deps): update copilotkit examples to v1.5.20 (CopilotKit#1379)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

examples/coagents-ai-researcher/ui/package.json

@@ -9,10 +9,10 @@
     "lint": "next lint"
   },
   "dependencies": {
-    "@copilotkit/react-core": "1.5.19",
-    "@copilotkit/react-ui": "1.5.19",
-    "@copilotkit/runtime": "1.5.19",
-    "@copilotkit/runtime-client-gql": "1.5.19",
+    "@copilotkit/react-core": "1.5.20",
+    "@copilotkit/react-ui": "1.5.20",
+    "@copilotkit/runtime": "1.5.20",
+    "@copilotkit/runtime-client-gql": "1.5.20",
     "@radix-ui/react-accordion": "^1.2.0",
     "@radix-ui/react-icons": "^1.3.2",
     "@radix-ui/react-select": "^2.1.2",