Bump @nextcloud/dialogs from 3.1.1 to 3.1.2

Bumps [@nextcloud/dialogs](https://github.com/nextcloud/nextcloud-dialogs) from 3.1.1 to 3.1.2.
- [Release notes](https://github.com/nextcloud/nextcloud-dialogs/releases)
- [Changelog](https://github.com/nextcloud/nextcloud-dialogs/blob/master/CHANGELOG.md)
- [Commits](nextcloud-libraries/nextcloud-dialogs@v3.1.1...v3.1.2)

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