Bump django from 4.2.14 to 4.2.15

Bumps [django](https://github.com/django/django) from 4.2.14 to 4.2.15.
- [Commits](django/django@4.2.14...4.2.15)

---
updated-dependencies:
- dependency-name: django
  dependency-type: direct:production
...

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

setup.py

@@ -10,7 +10,7 @@
     packages=find_packages(),
     include_package_data=True,
     install_requires=[
-        "Django==4.2.14",
+        "Django==4.2.15",
         "djangorestframework==3.15.2",
         "coreapi==2.3.3",
         "Markdown==3.1.1",