Changes to Resolve experiment assignments

the response property assignments/items/automaticGroupId became nullable for the status 200

the response property assignments/items/overrideGroupId became nullable for the status 200

the assignments/items/automaticGroupId response's property type changed from no type to number null for status 200

the assignments/items/overrideGroupId response's property type changed from no type to number null for status 200

for the header request parameter project-id, the exclusiveMinimum was decreased from true to 0.00

removed subschema #1 subschema #2 from the assignments/items/automaticGroupId response property anyOf list for the response status 200

removed subschema #1 subschema #2 from the assignments/items/overrideGroupId response property anyOf list for the response status 200

added the new RATE_LIMITED enum value to the errorCode response property for the response status 400

added the new RATE_LIMITED enum value to the errorCode response property for the response status 404

added the new RATE_LIMITED enum value to the errorCode response property for the response status 503

added the new UNAUTHORIZED enum value to the errorCode response property for the response status 400

added the new UNAUTHORIZED enum value to the errorCode response property for the response status 404

added the new UNAUTHORIZED enum value to the errorCode response property for the response status 503

api operation id resolveExperimentAssignments was added