===== A1: try classic branch protection PUT =====
{"message":"Upgrade to GitHub Pro or make this repository public to enable this feature.","documentation_url":"https://docs.github.com/rest/branches/branch-protection#update-branch-protection","status":"403"}gh: Upgrade to GitHub Pro or make this repository public to enable this feature. (HTTP 403)
exit_code=1
===== A2: GET branch protection (after attempt) =====
{"message":"Upgrade to GitHub Pro or make this repository public to enable this feature.","documentation_url":"https://docs.github.com/rest/branches/branch-protection#get-branch-protection","status":"403"}gh: Upgrade to GitHub Pro or make this repository public to enable this feature. (HTTP 403)
exit_code=1