chore(deps): bump @nextcloud/vue from 9.0.0-alpha.2 to 9.0.0-alpha.3

Bumps [@nextcloud/vue](https://github.com/nextcloud-libraries/nextcloud-vue) from 9.0.0-alpha.2 to 9.0.0-alpha.3.
- [Release notes](https://github.com/nextcloud-libraries/nextcloud-vue/releases)
- [Changelog](https://github.com/nextcloud-libraries/nextcloud-vue/blob/v9.0.0-alpha.3/CHANGELOG.md)
- [Commits](nextcloud-libraries/nextcloud-vue@v9.0.0-alpha.2...v9.0.0-alpha.3)

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

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