Update py-ms to 2.4.2

[pyup-bot]

This PR updates py-ms[all] from 2.4.0 to 2.4.2.

Changelog

2.4.1

**Fixes**
- [Connexion](https://github.com/zalando/connexion) path in OpenAPI 3.0
In some case, with the last version of Connexion, doesn`t understand relative path to swagger. For example, f you use OpenAPI 3 in your swagger yaml file:


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Links

• PyPI: https://pypi.org/project/py-ms
• Changelog: https://pyup.io/changelogs/py-ms/
• Repo: https://github.com/python-microservices/pyms/

[coveralls]

Pull Request Test Coverage Report for Build 642

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 71.739%

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Totals
Change from base Build 633:	0.0%
Covered Lines:	99
Relevant Lines:	138

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💛 - Coveralls

[pyup-bot]

Closing this in favor of #140