Build(deps-dev): Bump christophwurst/nextcloud_testing

Bumps [christophwurst/nextcloud_testing](https://github.com/ChristophWurst/nextcloud_testing) from 1.1.0 to 1.1.3.
- [Commits](ChristophWurst/nextcloud_testing@v1.1.0...v1.1.3)

---
updated-dependencies:
- dependency-name: christophwurst/nextcloud_testing
  dependency-version: 1.1.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]