message: Fixes 'teams channel membership list' missing documentation dashes. Closes
diff: @@ -19,7 +19,7 @@ m365 teams channel membership list [options]
  `--channelId [channelId]`
  : The Id of the Microsoft Teams team channel. Specify either `channelId` or `channelName` but not both
  -`channelName [channelName]`
  +`--channelName [channelName]`
  : The display name of the Microsoft Teams team channel. Specify either `channelId` or `channelName` but not both
  `-r, --role [role]`
  