meta: bump the react group with 4 updates

Bumps the react group with 4 updates: [react](https://github.com/facebook/react/tree/HEAD/packages/react), [@types/react](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react), [react-dom](https://github.com/facebook/react/tree/HEAD/packages/react-dom) and [@types/react-dom](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react-dom).


Updates `react` from 18.3.1 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 18.3.18 to 19.0.2
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react)

Updates `react-dom` from 18.3.1 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-dom)

Updates `@types/react-dom` from 18.3.5 to 19.0.2
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react-dom)

Updates `@types/react` from 18.3.18 to 19.0.2
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react)

Updates `@types/react-dom` from 18.3.5 to 19.0.2
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react-dom)

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

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

Author: dependabot[bot]

apps/site/package.json

@@ -61,8 +61,8 @@
     "postcss-loader": "~8.1.1",
     "postcss-mixins": "~11.0.3",
     "postcss-simple-vars": "~7.0.1",
-    "react": "^18.3.1",
-    "react-dom": "^18.3.1",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0",
     "rehype-autolink-headings": "~7.1.0",
     "rehype-slug": "~6.0.0",
     "remark-gfm": "~4.0.0",
@@ -89,8 +89,8 @@
     "@testing-library/react": "~16.1.0",
     "@testing-library/user-event": "~14.5.2",
     "@types/jest": "29.5.14",
-    "@types/react": "^18.3.12",
-    "@types/react-dom": "^18.3.1",
+    "@types/react": "^19.0.2",
+    "@types/react-dom": "^19.0.2",
     "@types/semver": "~7.5.8",
     "eslint-config-next": "15.1.3",
     "eslint-import-resolver-typescript": "~3.6.3",