chore(deps): bump @nextcloud/files from 3.12.2 to 4.0.0

Bumps [@nextcloud/files](https://github.com/nextcloud-libraries/nextcloud-files) from 3.12.2 to 4.0.0.
- [Release notes](https://github.com/nextcloud-libraries/nextcloud-files/releases)
- [Changelog](https://github.com/nextcloud-libraries/nextcloud-files/blob/main/CHANGELOG.md)
- [Commits](nextcloud-libraries/nextcloud-files@v3.12.2...v4.0.0)

---
updated-dependencies:
- dependency-name: "@nextcloud/files"
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Author: dependabot[bot]