[release-3.3] Support for filtering workspace roles using labelSelector
Created by: ks-ci-bot
This is an automated cherry-pick of #5161
This PR will support for filtering workspace roles using labelSelector like this
GET /kapis/iam.kubesphere.io/v1alpha2/workspaces/example-ws/workspaceroles?labelSelector=iam.kubesphere.io/role-template