chore: update GitHub branch references to use HEAD

sendgrid / sendgrid-python

The Official Twilio SendGrid Python API Library

https://sendgrid.com

MIT License

1.55k stars 714 forks source link

Closed thinkingserious closed 4 years ago

thinkingserious commented 4 years ago

[x] I acknowledge that all my contributions will be made under the project's license