Bump django from 4.2.5 to 4.2.6 in /api_server (#119)

Bumps [django](https://github.com/django/django) from 4.2.5 to 4.2.6.
- [Commits](django/django@4.2.5...4.2.6)

---
updated-dependencies:
- dependency-name: django
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

api_server/requirements.txt

@@ -1,4 +1,4 @@
-Django==4.2.5
+Django==4.2.6
 djangorestframework==3.14.0
 psycopg2-binary==2.9.9
 tzdata==2023.3