Bump whitenoise from 6.5.0 to 6.6.0 in /api_server (#120)

Bumps [whitenoise](https://github.com/evansd/whitenoise) from 6.5.0 to 6.6.0.
- [Changelog](https://github.com/evansd/whitenoise/blob/main/docs/changelog.rst)
- [Commits](evansd/whitenoise@6.5.0...6.6.0)

---
updated-dependencies:
- dependency-name: whitenoise
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

api_server/requirements.txt

@@ -5,6 +5,6 @@ tzdata==2023.3
 djangorestframework-simplejwt==5.3.0
 gunicorn==21.2.0
 django-health-check==3.17.0
-whitenoise==6.5.0
+whitenoise==6.6.0
 drf-spectacular==0.26.5
 django-nose==1.4.7