Bump react and @types/react

Bumps [react](https://github.com/facebook/react/tree/HEAD/packages/react) and [@types/react](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react). These dependencies needed to be updated together.

Updates `react` from 18.2.0 to 19.0.0
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/facebook/react/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/v19.0.0/packages/react)

Updates `@types/react` from 18.0.27 to 19.0.8
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react)

---
updated-dependencies:
- dependency-name: react
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: "@types/react"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

apps/examples/gatsby/package.json

@@ -14,7 +14,7 @@
   },
   "dependencies": {
     "gatsby": "^5.5.0",
-    "react": "^18.2.0",
+    "react": "^19.0.0",
     "react-dom": "^18.2.0",
     "react-use-intercom": "workspace:*"
   }

apps/examples/nextjs/package.json

@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "next": "13.4.7",
-    "react": "^18.2.0",
+    "react": "^19.0.0",
     "react-dom": "^18.2.0",
     "react-use-intercom": "workspace:*"
   }

apps/playground/package.json

@@ -11,15 +11,15 @@
     "preview": "vite preview --host"
   },
   "dependencies": {
-    "react": "^18.2.0",
+    "react": "^19.0.0",
     "react-dom": "^18.2.0",
     "react-router-dom": "^5.2.0",
     "react-use-intercom": "workspace:*",
     "styled-components": "^5.3.6",
     "styled-normalize": "^8.0.7"
   },
   "devDependencies": {
-    "@types/react": "^18.0.27",
+    "@types/react": "^19.0.8",
     "@types/react-dom": "^18.0.10",
     "@types/react-router-dom": "^5.1.5",
     "@types/styled-components": "^5.1.2",

packages/react-use-intercom/package.json

@@ -72,12 +72,12 @@
     "@testing-library/react": "^14.0.0",
     "@types/jest": "^27.5.2",
     "@types/node": "^18.11.19",
-    "@types/react": "^18.2.14",
+    "@types/react": "^19.0.8",
     "@types/react-dom": "^18.2.6",
     "eslint-plugin-simple-import-sort": "^10.0.0",
     "jest": "^29.4.1",
     "jest-environment-jsdom": "^29.4.1",
-    "react": "^18.2.0",
+    "react": "^19.0.0",
     "react-dom": "^18.2.0",
     "react-test-renderer": "^18.2.0",
     "size-limit": "^7.0.3",