Bump @nextcloud/vue from 5.2.1 to 5.4.0

Bumps [@nextcloud/vue](https://github.com/nextcloud/nextcloud-vue) from 5.2.1 to 5.4.0.
- [Release notes](https://github.com/nextcloud/nextcloud-vue/releases)
- [Changelog](https://github.com/nextcloud/nextcloud-vue/blob/master/CHANGELOG.md)
- [Commits](nextcloud-libraries/nextcloud-vue@v5.2.1...v5.4.0)

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

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

Author: dependabot[bot]