add reference to external Scheduler and update library dependencies

library.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://raw.githubusercontent.com/platformio/platformio-core/develop/platformio/assets/schema/library.json",
   "name": "ha-mqtt",
-  "version": "1.10.0",
+  "version": "1.10.1",
   "description": "Home Assistant classes for integration with MQTT auto discovery",
   "repository": {
     "type": "git",
@@ -15,6 +15,7 @@
     }
   ],
   "dependencies": {
+    "arkhipenko/TaskScheduler": "^3.8.5",
     "bblanchon/ArduinoJson": "6.21.5",
     "marvinroger/AsyncMqttClient": "^0.9.0",
  	  "esphome/ESPAsyncWebServer-esphome": "^3.4.0"

src/esp.h

@@ -4,6 +4,8 @@
 #include "TaskScheduler.h"
 #include "ha.h"
 
+extern Scheduler ts;
+
 using namespace Ha;
 
 namespace HaESP {