Bump nextcloud-vue from 0.1.5 to 0.2.0 in /settings

Bumps [nextcloud-vue](https://github.com/nextcloud/vue-components) from 0.1.5 to 0.2.0.
- [Release notes](https://github.com/nextcloud/vue-components/releases)
- [Commits](https://github.com/nextcloud/vue-components/compare/v0.1.5...v0.2.0

)

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