Bump serverless-offline from 13.8.3 to 13.9.0

Bumps [serverless-offline](https://github.com/dherault/serverless-offline) from 13.8.3 to 13.9.0.
- [Release notes](https://github.com/dherault/serverless-offline/releases)
- [Changelog](https://github.com/dherault/serverless-offline/blob/v13.9.0/CHANGELOG.md)
- [Commits](dherault/serverless-offline@v13.8.3...v13.9.0)

---
updated-dependencies:
- dependency-name: serverless-offline
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>