Bump django from 2.2 to 2.2.10

Bumps [django](https://github.com/django/django) from 2.2 to 2.2.10.
- [Release notes](https://github.com/django/django/releases)
- [Commits](https://github.com/django/django/compare/2.2...2.2.10)
Signed-off-by: Ndependabot[bot] <support@github.com>

requirements.txt

-Django==2.2
+Django==2.2.10
 django-import-export==1.2.0
 django-simpleui
 Pillow