build(deps): bump @db-ux/react-core-components in /react-example

Bumps [@db-ux/react-core-components](https://github.com/db-ux-design-system/core-web) from 1.2.1 to 2.1.2.
- [Release notes](https://github.com/db-ux-design-system/core-web/releases)
- [Changelog](https://github.com/db-ux-design-system/core-web/blob/main/docs/release-management.md)
- [Commits](db-ux-design-system/core-web@v1.2.1...v2.1.2)

---
updated-dependencies:
- dependency-name: "@db-ux/react-core-components"
  dependency-version: 2.1.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

react-example/package-lock.json

@@ -8,7 +8,7 @@
     "dev": "vite --open"
   },
   "dependencies": {
-    "@db-ux/react-core-components": "^1.2.1",
+    "@db-ux/react-core-components": "^2.1.2",
     "classnames": "^2.5.1",
     "react": "^18.3.0",
     "react-dom": "^18.3.1",