Bump react and @types/react in /client

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 19.0.0
- [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)

---
updated-dependencies:
- dependency-name: react
  dependency-type: direct:production
  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]>

client/package.json

@@ -47,7 +47,7 @@
     "keycloak-js": "25.0.6",
     "mantine-datatable": "7.15.1",
     "phosphor-react": "1.4.1",
-    "react": "18.3.1",
+    "react": "19.0.0",
     "react-avatar-editor": "13.0.2",
     "react-dom": "18.3.1",
     "react-router": "7.1.1"
@@ -56,7 +56,7 @@
     "@eslint/compat": "1.2.4",
     "@eslint/eslintrc": "3.2.0",
     "@eslint/js": "9.17.0",
-    "@types/react": "18.3.18",
+    "@types/react": "19.0.2",
     "@types/react-avatar-editor": "13.0.3",
     "@types/react-dom": "18.3.5",
     "@typescript-eslint/eslint-plugin": "8.18.2",