An error occurred while processing the github feature in .asf.yaml:
while parsing a mapping in "polaris.git/.asf.yaml::github", line 20, column 1: ^ (line: 20) unexpected key not in schema 'del_branch_on_merge' in "polaris.git/.asf.yaml::github", line 21, column 1: del_branch_on_merge: 'true' ^ (line: 21) --- With regards, ASF Infra.