Bump django-ninja from 1.5.3 to 1.6.0

Bumps [django-ninja](https://github.com/vitalik/django-ninja) from 1.5.3 to 1.6.0.
- [Release notes](https://github.com/vitalik/django-ninja/releases)
- [Commits](vitalik/django-ninja@v1.5.3...v1.6.0)

---
updated-dependencies:
- dependency-name: django-ninja
  dependency-version: 1.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]