I am trying to use the latest master version (0.28.0) to scan a docker image from a private registry. We are currently on version 0.25.0
The action fails while it trys to resolve the default branch. I havn't found a flag to set the default branch for the action. I am currently testing it on a separate branch which is up-to-date with the default (master) branch. I tried to set a github-pat but it hasn't fixed it.

The error is:
Determining the default branch
Retrieving the default branch name
Not Found - https://docs.github.com/enterprise-server@3.12/rest/repos/repos#get-a-repository