chore(deps): update dependency @testing-library/react to v15

Author: renovate[bot]

core/package.json

@@ -49,7 +49,7 @@
     "@babel/runtime": "^7.22.6"
   },
   "devDependencies": {
-    "@testing-library/react": "^14.0.0",
+    "@testing-library/react": "^15.0.0",
     "@types/react-test-renderer": "^18.0.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",