Smtpapi

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**Library - Chore**
- [PR 112](https://github.com/sendgrid/smtpapi-python/pull/112): push Datadog Release Metric upon deploy success. Thanks to [eshanholtz](https://github.com/eshanholtz)!

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**Library - Chore**
- [PR 111](https://github.com/sendgrid/smtpapi-python/pull/111): upgrade supported language versions. Thanks to [childish-sambino](https://github.com/childish-sambino)!
- [PR 110](https://github.com/sendgrid/smtpapi-python/pull/110): add gh release to workflow. Thanks to [shwetha-manvinkurke](https://github.com/shwetha-manvinkurke)!
- [PR 109](https://github.com/sendgrid/smtpapi-python/pull/109): merge test and deploy gh action workflows. Thanks to [Hunga1](https://github.com/Hunga1)!

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**Library - Chore**
- [PR 108](https://github.com/sendgrid/smtpapi-python/pull/108): update license year. Thanks to [JenniferMah](https://github.com/JenniferMah)!

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**Library - Chore**
- [PR 107](https://github.com/sendgrid/smtpapi-python/pull/107): migrate to GitHub Actions. Thanks to [JenniferMah](https://github.com/JenniferMah)!

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**Library - Chore**
- [PR 106](https://github.com/sendgrid/smtpapi-python/pull/106): test against python v3.9. Thanks to [shwetha-manvinkurke](https://github.com/shwetha-manvinkurke)!

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**Library - Chore**
- [PR 63](https://github.com/sendgrid/smtpapi-python/pull/63): Add .codeclimate.yml and update test/__init__.py. Thanks to [geomars](https://github.com/geomars)!