build(deps): bump react from 18.2.0 to 19.1.0 in /admin-js

Bumps [react](https://github.com/facebook/react/tree/HEAD/packages/react) from 18.2.0 to 19.1.0.
- [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/v19.1.0/packages/react)

---
updated-dependencies:
- dependency-name: react
  dependency-version: 19.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

admin-js/package.json

@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
-    "react": "18.2.0",
+    "react": "19.1.0",
     "react-admin": "4.16.7",
     "react-dom": "18.2.0",
     "terser": "5.40.0",