fix(deps): update dependency @nextcloud/files to ^3.1.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@nextcloud/files	^3.1.0 -> ^3.1.1

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Release Notes

nextcloud-libraries/nextcloud-files (@​nextcloud/files)

### [`v3.1.1`](https://togithub.com/nextcloud-libraries/nextcloud-files/blob/HEAD/CHANGELOG.md#311---2024-03-24) [Compare Source](https://togithub.com/nextcloud-libraries/nextcloud-files/compare/v3.1.0...v3.1.1) ##### Fixed - fix(dav): various typings and owner string cast by [@​skjnldsv](https://togithub.com/skjnldsv) in [https://github.com/nextcloud-libraries/nextcloud-files/pull/882](https://togithub.com/nextcloud-libraries/nextcloud-files/pull/882) - fix(dav): remove sharing attributes from default dav fetch and change duplicate registration from `error` to `warn` by [@​skjnldsv](https://togithub.com/skjnldsv) in [https://github.com/nextcloud-libraries/nextcloud-files/pull/902](https://togithub.com/nextcloud-libraries/nextcloud-files/pull/902) ##### Changed - Update `@nextcloud/router` from 2.2.1 to 3.0.0 - Update `webdav` from 5.3.2 to 5.4.0

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