Add Filtering, HealthCheck, Better Tests (#350)

feat: add filtering when choosing merge requests (#346)
feat: Add healthcheck (#345)
refactor: Move to gomock (#349)
feat: Makes the remote of the plugin configurable (#348)

This is a #MINOR release.

lua/gitlab/async.lua

@@ -36,7 +36,7 @@ function async:fetch(dependencies, i, argTable)
   end
 
   -- Call the API, set the data, and then call the next API
-  local body = dependency.body and dependency.body() or nil
+  local body = dependency.body and dependency.body(argTable) or nil
   job.run_job(dependency.endpoint, dependency.method or "GET", body, function(data)
     state[dependency.state] = dependency.key and data[dependency.key] or data
     self:fetch(dependencies, i + 1, argTable)