build(deps): Bump moto from 3.1.8 to 4.0.8

Bumps [moto](https://github.com/spulec/moto) from 3.1.8 to 4.0.8.
- [Release notes](https://github.com/spulec/moto/releases)
- [Changelog](https://github.com/spulec/moto/blob/master/CHANGELOG.md)
- [Commits](getmoto/moto@3.1.8...4.0.8)

---
updated-dependencies:
- dependency-name: moto
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

requirements/local.txt

@@ -19,7 +19,7 @@ httpretty==1.1.4 # https://pypi.org/project/httpretty/
 #mock==4.0.2
 cssutils==2.4.0 # https://pypi.org/project/cssutils/
 pytest-django==4.5.2  # https://github.com/pytest-dev/pytest-django
-moto==3.1.8 # https://github.com/spulec/moto
+moto==4.0.8 # https://github.com/spulec/moto
 sftpserver==0.3
 
 # Code quality