chore(deps): bump django from 4.1.2 to 4.1.6 in /rootfs

Bumps [django](https://github.com/django/django) from 4.1.2 to 4.1.6.
- [Release notes](https://github.com/django/django/releases)
- [Commits](django/django@4.1.2...4.1.6)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

rootfs/requirements.txt

@@ -1,6 +1,6 @@
 # Drycc controller requirements
 backoff==2.1.2
-django==4.1.2
+django==4.1.6
 channels==3.0.5
 aiohttp==v3.8.1
 django-cors-headers==3.13.0