Gets service version

{"stackTrail":"paths:/aliases/v2/version:get:responses:200:content:application/json:schema","oasType":"schema","type":"unknown","description":"OK\nService returns its current version number\nschema:\n type: object\n properties:\n \"service-name\":\n type: string\n description: Version of service\n example:\n servicename: \"1.0.0\"\n"}