Can't push changes to github repository

Issue:

• One or more branches were not updated:
  - refs/heads/branchname: push declined due to email privacy restrictions

Cause:

• Configuration within github repository must be modified - please refer to GitHub documentation and look up information on "Block command line pushes that expose my email" and there will be steps to help resolve the issue

External Resources - https://docs.github.com/en/account-and-profile/setting-up-and-managing-your-github-user-account/managing-email-preferences/blocking-command-line-pushes-that-expose-your-personal-email-address