fix(mosq): Support build on older IDF branches

and added build jobs to CI

components/mosquitto/examples/serverless_mqtt/main/wifi_connect.c

@@ -3,6 +3,8 @@
  *
  * SPDX-License-Identifier: Unlicense OR CC0-1.0
  */
+#include "freertos/FreeRTOS.h"
+#include "freertos/event_groups.h"
 #include "nvs_flash.h"
 #include "esp_event.h"
 #include "esp_netif.h"