Smart pointers and memory management cleanup (#10400)

* Refactor memory management in Syslog and StoreForwardModule

* Implement destructor for Lock

* Refactor RotaryEncoder and PacketHistory to use smart pointers for better memory management

* CH341 should use unique_ptr for improved memory management

* Fix checks in PH

* Improve Syslog::vlogf to handle variable argument lists more safely

* Fix initOk method to use nullptr for null pointer check

src/concurrency/Lock.cpp

@@ -14,6 +14,11 @@ Lock::Lock() : handle(xSemaphoreCreateBinary())
     }
 }
 
+Lock::~Lock()
+{
+    vSemaphoreDelete(handle);
+}
+
 void Lock::lock()
 {
     if (xSemaphoreTake(handle, portMAX_DELAY) == false) {
@@ -30,6 +35,8 @@ void Lock::unlock()
 #else
 Lock::Lock() {}
 
+Lock::~Lock() {}
+
 void Lock::lock() {}
 
 void Lock::unlock() {}