chore: add default_version and codeowner_team to .repo-metadata.json (#29)
chore: add default_version and codeowner_team to .repo-metadata.json (#29)

By default the code owner will be googleapis/yoshi-python. This change is needed for the following synthtool PRs.

googleapis/synthtool#1201
googleapis/synthtool#1114
googleapis/python-orchestration-airflow,googleapis/python-orchestration-airflow