ci: build(deps-dev): bump contentful-management from 2.14.2 to 2.14.4 (…

…#395)

Bumps [contentful-management](https://github.com/contentful/contentful-management.py) from 2.14.2 to 2.14.4.
- [Changelog](https://github.com/contentful/contentful-management.py/blob/master/CHANGELOG.md)
- [Commits](https://github.com/contentful/contentful-management.py/commits)

---
updated-dependencies:
- dependency-name: contentful-management
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>