Build(deps): Bump @nextcloud/dialogs from 4.2.5 to 6.1.1

Bumps [@nextcloud/dialogs](https://github.com/nextcloud-libraries/nextcloud-dialogs) from 4.2.5 to 6.1.1.
- [Release notes](https://github.com/nextcloud-libraries/nextcloud-dialogs/releases)
- [Changelog](https://github.com/nextcloud-libraries/nextcloud-dialogs/blob/main/CHANGELOG.md)
- [Commits](nextcloud-libraries/nextcloud-dialogs@v4.2.5...v6.1.1)

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

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