Changes to List git namespaces by provider

added the non-success response with the status 410

added the new optional query request parameter viewerMetadata

added the optional property items/viewer to the response with the 200 status

endpoint added

api path removed without deprecation

deleted the query request parameter teamId

added the new optional query request parameter host

added the new enum value github-custom-host to the query request parameter provider

added the non-success response with the status 401

added the optional property items/installationId to the response with the 200 status

added the optional property items/isAccessRestricted to the response with the 200 status

added the optional property items/requireReauth to the response with the 200 status

endpoint added