octodns-sync v3.0.0

[3.0.0] - 2022-06-21

Removed

• (#86) Remove octodns_ref input and installation script.
  BREAKING CHANGE: octodns must now be installed by a separate workflow step, prior to running this action.

Fixed

• (#41) Document workaround for add_pr_comment adding a new comment for each run.
• (#86) This Action does not work with extracted providers.