build(deps-dev): bump react, react-dom and @types/react (#608)

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

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 `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` from 18.3.12 to 19.0.2
- [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:development
  update-type: version-update:semver-major
- dependency-name: react-dom
  dependency-type: direct:development
  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] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

flipt-client-react/package.json

@@ -40,7 +40,7 @@
     "@rollup/plugin-typescript": "^12.1.0",
     "@testing-library/react": "^16.0.1",
     "@types/jest": "^29.5.13",
-    "@types/react": "^18.0.0",
+    "@types/react": "^19.0.2",
     "@typescript-eslint/eslint-plugin": "^8.11.0",
     "@typescript-eslint/parser": "^8.11.0",
     "eslint": "^9.13.0",
@@ -53,8 +53,8 @@
     "jest-environment-jsdom": "^29.7.0",
     "jest-environment-jsdom-global": "^4.0.0",
     "prettier": "^3.3.3",
-    "react": "^18.0.0",
-    "react-dom": "^18.0.0",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0",
     "rollup": "^4.22.2",
     "rollup-plugin-dts": "^6.1.1",
     "rollup-plugin-peer-deps-external": "^2.2.4",
@@ -63,8 +63,8 @@
     "typescript": "^5.6.0"
   },
   "peerDependencies": {
-    "react": "^18.0.0",
-    "react-dom": "^18.0.0"
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0"
   },
   "dependencies": {
     "@flipt-io/flipt-client-browser": "^0.3.1"