Deps: Bump @mantine/core from 6.0.21 to 7.14.2

Bumps [@mantine/core](https://github.com/mantinedev/mantine/tree/HEAD/packages/@mantine/core) from 6.0.21 to 7.14.2.
- [Release notes](https://github.com/mantinedev/mantine/releases)
- [Changelog](https://github.com/mantinedev/mantine/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mantinedev/mantine/commits/7.14.2/packages/@mantine/core)

---
updated-dependencies:
- dependency-name: "@mantine/core"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

package.json

@@ -33,7 +33,7 @@
   },
   "dependencies": {
     "@greenbone/opensight-ui-components": "^0.4.1-alpha6",
-    "@mantine/core": "^6.0.0",
+    "@mantine/core": "^7.14.2",
     "@reduxjs/toolkit": "^2.3.0",
     "@sentry/react": "^8.39.0",
     "@visx/axis": "^3.10.1",