Bump react from 18.3.1 to 19.1.1

Bumps [react](https://github.com/facebook/react/tree/HEAD/packages/react) from 18.3.1 to 19.1.1.
- [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/v19.1.1/packages/react)

---
updated-dependencies:
- dependency-name: react
  dependency-version: 19.1.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -87,7 +87,7 @@
     "postcss": "^8.4.21",
     "postcss-cli": "^11.0.0",
     "prettier": "^3.6.2",
-    "react": "^18.2.0",
+    "react": "^19.1.1",
     "react-dom": "^18.2.0",
     "sass": "^1.58.2",
     "sass-loader": "^16.0.5",