Bump netresearch/jsonmapper from 4.2.0 to 4.4.0

Bumps [netresearch/jsonmapper](https://github.com/cweiske/jsonmapper) from 4.2.0 to 4.4.0.
- [Changelog](https://github.com/cweiske/jsonmapper/blob/master/ChangeLog)
- [Commits](cweiske/jsonmapper@v4.2.0...v4.4.0)

---
updated-dependencies:
- dependency-name: netresearch/jsonmapper
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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