installer: upgrade python from 3.9.6 to 3.9.7
installer: upgrade python from 3.9.6 to 3.9.7

streamlink/streamlink,gravyboat/streamlink,melmorabity/streamlink,bastimeyer/streamlink,chhe/streamlink,gravyboat/streamlink,chhe/streamlink,bastimeyer/streamlink,melmorabity/streamlink,streamlink/streamlink