Bump moto from 2.0.2 to 2.0.4

Bumps [moto](https://github.com/spulec/moto) from 2.0.2 to 2.0.4.
- [Release notes](https://github.com/spulec/moto/releases)
- [Changelog](https://github.com/spulec/moto/blob/master/CHANGELOG.md)
- [Commits](getmoto/moto@2.0.2...2.0.4)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

requirements-ci.txt

@@ -2,5 +2,5 @@ pytest==6.2.2
 pytest-cov==2.11.1
 coverage==5.5
 coveralls==3.0.1
-moto==2.0.2
+moto==2.0.4
 boto3==1.17.39