fix(deps): update react monorepo to v19

Author: renovate[bot]

client/package.json

@@ -7,8 +7,8 @@
     "@testing-library/react": "^9.5.0",
     "@testing-library/user-event": "^7.2.1",
     "axios": "^0.21.0",
-    "react": "^16.14.0",
-    "react-dom": "^16.14.0",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0",
     "react-google-button": "^0.7.1",
     "react-google-login": "^5.1.22",
     "react-redux": "^7.2.1",