project = gl.projects.get("my-project")
main_branch = project.protectedbranches.get("main")
project.approvalrules.create(
                {
                    "name": rule_name,
                    "approvals_required": 1,
                    "rule_type": "regular",
                    "protected_branch_ids": [main_branch_id.id],
                    "group_ids": approver_group_ids,
                }
            )