chore(deps): bump django from 4.2.14 to 4.2.15 in /rootfs

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] <support@github.com>

Author: dependabot[bot]

rootfs/requirements.txt

@@ -1,7 +1,7 @@
 # Drycc controller requirements
 inotify==0.2.10
 backoff==2.2.1
-django==4.2.14
+django==4.2.15
 channels==4.1.0
 aiohttp==3.9.4
 django-cors-headers==4.3.1