code: void commitStatus(Runnable closure) {
          GhprbSimpleStatusContext context = new GhprbSimpleStatusContext();
          ContextExtensionPoint.executeInContext(closure, context);
  
          extensions.add(new GhprbSimpleStatus(
                  context.showMatrixStatus,
                  context.context,
                  context.statusUrl,
                  context.triggeredStatus,
                  context.startedStatus,
                  context.addTestResults,
                  context.completedStatus
          ));
      }
docs: Updates the commit status during the build.