Changes to List known marker arguments

added the required property items/description to the response with the 200 status

for the query request parameter includeHidden, default value false was removed

api operation id listMarkerArguments was added

the endpoint scheme security cookieAuth was removed from the API

the query request parameter markers became optional

the endpoint scheme security personalAccessTokenAuth was added to the API

the endpoint scheme security serverKeyAuth was added to the API

the endpoint scheme security clientApiKey was removed from the API

for the query request parameter includeHidden, the type was generalized from boolean to string