chore(deps): bump django from 4.2.18 to 4.2.20 in /rootfs

Bumps [django](https://github.com/django/django) from 4.2.18 to 4.2.20.
- [Commits](django/django@4.2.18...4.2.20)

---
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==4.2.18
+django==4.2.20
 channels==4.1.0
 aiohttp==3.11.0
 django-cors-headers==4.6.0