fix(agent): SKIP_GPU excludes GPU hwmon from temperatures and fans (#2313)

agent/connection_manager.go

@@ -155,6 +155,7 @@ func (c *ConnectionManager) stop() error {
 	_ = c.agent.StopServer()
 	c.agent.monitorManager.Stop()
 	c.closeWebSocket()
+	c.agent.cleanupSensorShadow()
 	return health.CleanUp()
 }