[API] Add API client to retrieve Label Events for Issues, Epics, and Merge Requests#263

slonim-greg wants to merge 1 commit intonmklotas:masternmklotas/GitLabApiClient:masterfrom

slonim-greg:gsl-add-resource-label-events-clientslonim-greg/GitLabApiClient:gsl-add-resource-label-events-clientCopy head branch name to clipboard