Request to rename ImageN master branch to main branch

Summary

Rename master branch to main (following giuthub practice https://github.com/github/renaming#renaming-the-default-branch-from-master).

Steps to reproduce

Navigate to https://github.com/eclipse-imagen/imagen/branches and rename master branch.

What is the current bug behavior?

I am unable to rename, resulting message is "You don't have permission to rename this branch."

What is the expected correct behavior?

main branch as project default.

Relevant logs and/or screenshots

Priority

• Urgent
• High
• Medium
• Low

Severity

• Blocker
• Major
• Normal
• Low

Impact

We are in the midline of an online code sprint setting up the project; it would be great to have this change available as more developers are added each day this week.