add support for organization Immutable Releases API #3771
Description
Implement APIs released here:
https://docs.github.com/en/rest/orgs/orgs#get-immutable-releases-settings-for-an-organization
{{ message }}
Implement APIs released here:
https://docs.github.com/en/rest/orgs/orgs#get-immutable-releases-settings-for-an-organization