Chore(deps-dev): Bump nextcloud/openapi-extractor

Bumps [nextcloud/openapi-extractor](https://github.com/nextcloud-releases/openapi-extractor) from 1.8.0 to 1.8.1.
- [Changelog](https://github.com/nextcloud-releases/openapi-extractor/blob/main/CHANGELOG.md)
- [Commits](nextcloud-releases/openapi-extractor@v1.8.0...v1.8.1)

---
updated-dependencies:
- dependency-name: nextcloud/openapi-extractor
  dependency-version: 1.8.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]