Bump django from 1.11.6 to 1.11.23 Bumps [django](https://github.com/django/django) from 1.11.6 to 1.11.23. - [Release notes](https://github.com/django/django/releases) - [Commits](https://github.com/django/django/compare/1.11.6...1.11.23) Signed-off-by: dependabot[bot]