pip (deps): bump the python-dependencies group across 2 directories with 3 updates

Bumps the python-dependencies group with 2 updates in the / directory: [pip-licenses](https://github.com/raimon49/pip-licenses) and [pytest-nhsd-apim](https://github.com/NHSDigital/pytest-nhsd-apim).
Bumps the python-dependencies group with 1 update in the /sandbox directory: [gunicorn](https://github.com/benoitc/gunicorn).


Updates `pip-licenses` from 4.4.0 to 4.5.1
- [Release notes](https://github.com/raimon49/pip-licenses/releases)
- [Changelog](https://github.com/raimon49/pip-licenses/blob/master/CHANGELOG.md)
- [Commits](raimon49/pip-licenses@v-4.4.0...v-4.5.1)

Updates `pytest-nhsd-apim` from 3.4.3 to 4.0.0
- [Commits](https://github.com/NHSDigital/pytest-nhsd-apim/commits)

Updates `gunicorn` from 22.0.0 to 23.0.0
- [Release notes](https://github.com/benoitc/gunicorn/releases)
- [Commits](benoitc/gunicorn@22.0.0...23.0.0)

---
updated-dependencies:
- dependency-name: pip-licenses
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: python-dependencies
- dependency-name: pytest-nhsd-apim
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: python-dependencies
- dependency-name: gunicorn
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: python-dependencies
...

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

Author: dependabot[bot]