Update troposphere to 2.4.4

[pyup-bot]

This PR updates troposphere from 2.4.2 to 2.4.4.

Changelog

2.4.4

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* Include requirements.txt in release tarball

2.4.3

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* Fix Glue StorageDescriptor NumberOfBuckets spelling (1310)
* ServiceDiscovery::Service DNSConfig is no longer required
* Sphinx docs (1311)
* Add autogeneration of troposphere index files
* Fix  ApiGateway AccessLogSetting prop spelling (1316)
* Docs update (1314)
* Add AWS::ApiGatewayV2 Resources (1312)
* Updates for new resources being added

Links

• PyPI: https://pypi.org/project/troposphere
• Changelog: https://pyup.io/changelogs/troposphere/
• Repo: https://github.com/cloudtools/troposphere

[pyup-bot]

Closing this in favor of #124