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 18.3.1 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)

Updates `@types/react` from 18.3.18 to 19.1.9
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react)

---
updated-dependencies:
- dependency-name: react
  dependency-version: 19.1.1
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: "@types/react"
  dependency-version: 19.1.9
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -11,7 +11,7 @@
     "@mui/material": "^6.4.1",
     "@opencast/appkit": "^0.4.0",
     "@reduxjs/toolkit": "^2.8.2",
-    "@types/react": "^18.3.12",
+    "@types/react": "^19.1.9",
     "@types/react-dom": "^18.3.1",
     "deepmerge": "^4.3.1",
     "emotion-normalize": "^11.0.1",
@@ -23,7 +23,7 @@
     "lodash": "^4.17.21",
     "luxon": "^3.6.1",
     "mui-rff": "^8.0.4",
-    "react": "^18.2.0",
+    "react": "^19.1.1",
     "react-beforeunload": "^2.6.0",
     "react-device-detect": "^2.2.3",
     "react-dom": "^18.3.1",