This PR creates a make target when run against rancher/charts repository like make patch, will create a regsync config yaml for the EIO team to consume.
This updated file will be committed along the OOB release PR.
The EIO team will regularly check for this file and sync to its Prime registry.
JIRA Issue - https://jira.suse.com/browse/SURE-5868
Security Team Review Issue - https://github.com/rancher/security-team/issues/227
Implemented Solution 3 here - https://confluence.suse.com/display/EN/Rancher+Prime+Image+Publishing+for+OOB+Chart+Releases
TLDR
make patch
, will create a regsync config yaml for the EIO team to consume.