Add all_scopes arg to monitor unmuting
Add all_scopes arg to monitor unmuting

This argument allows users to clear all muted scopes of a monitor,
instead of unmuting individual scopes one-by-one.

jofusa/datadogpy,jofusa/datadogpy,percipient/datadogpy,KyleJamesWalker/datadogpy,clokep/datadogpy,rogst/datadogpy,percipient/datadogpy,clokep/datadogpy,KyleJamesWalker/datadogpy,rogst/datadogpy