chore(deps-dev): bump @nextcloud/vue from 8.31.0 to 9.1.0

Bumps [@nextcloud/vue](https://github.com/nextcloud-libraries/nextcloud-vue) from 8.31.0 to 9.1.0.
- [Release notes](https://github.com/nextcloud-libraries/nextcloud-vue/releases)
- [Changelog](https://github.com/nextcloud-libraries/nextcloud-vue/blob/main/CHANGELOG.md)
- [Commits](nextcloud-libraries/nextcloud-vue@v8.31.0...v9.1.0)

---
updated-dependencies:
- dependency-name: "@nextcloud/vue"
  dependency-version: 9.1.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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Author: dependabot[bot]