chore(deps): update react monorepo to v19 (major) (#7724)

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

Author: renovate[bot]

.github/renovate.json5

@@ -36,6 +36,7 @@
     "acorn",
     // Keep using codemirror 5
     "codemirror",
+    "react-18",
     "react-is-18"
   ],
   "ignorePaths": [

examples/workspace/package.json

@@ -12,12 +12,12 @@
     "@testing-library/jest-dom": "^6.4.2",
     "@testing-library/react": "^13.2.0",
     "@testing-library/user-event": "^14.5.2",
-    "@types/react": "^18.2.79",
+    "@types/react": "^19.0.12",
     "@vitejs/plugin-react": "^4.2.1",
     "@vitest/ui": "latest",
     "fastify": "^4.26.2",
     "jsdom": "^24.0.0",
-    "react": "^18.2.0",
+    "react": "^19.0.0",
     "supertest": "^6.3.4",
     "tsx": "^4.7.2",
     "vite": "latest",