Merge pull request #49 from drycc/dependabot/pip/rootfs/django-2.2.22

chore(deps): bump django from 2.2.20 to 2.2.22 in /rootfs

Author: duanhongyi

rootfs/requirements.txt

@@ -1,6 +1,6 @@
 # Drycc controller requirements
 backoff==1.10.0
-django==2.2.20
+django==2.2.22
 django-auth-ldap==2.2.0
 django-cors-middleware==1.5.0
 django-guardian==2.3.0