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]>