Bump django-extensions from 3.1.2 to 3.1.3 in /requirements (#16979)
Bump django-extensions from 3.1.2 to 3.1.3 in /requirements (#16979)

Bumps [django-extensions](https://github.com/django-extensions/django-extensions) from 3.1.2 to 3.1.3.
- [Release notes](https://github.com/django-extensions/django-extensions/releases)
- [Changelog](https://github.com/django-extensions/django-extensions/blob/main/CHANGELOG.md)
- [Commits](https://github.com/django-extensions/django-extensions/compare/3.1.2...3.1.3)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
bqbn/addons-server,wagnerand/addons-server,wagnerand/addons-server,mozilla/addons-server,mozilla/olympia,diox/olympia,mozilla/addons-server,mozilla/addons-server,mozilla/olympia,bqbn/addons-server,bqbn/addons-server,wagnerand/addons-server,bqbn/addons-server,mozilla/olympia,diox/olympia,diox/olympia,wagnerand/addons-server,mozilla/olympia,mozilla/addons-server,diox/olympia