fix(ble): matches the function signature with const u8*

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: SuGlider

libraries/BLE/src/BLECharacteristic.cpp

@@ -392,7 +392,7 @@ void BLECharacteristic::setValue(float data32) {
 }  // setValue
 
 void BLECharacteristic::setValue(double data64) {
-  setValue(reinterpret_cast<uint8_t *>(&data64), sizeof(data64));
+  setValue(reinterpret_cast<const uint8_t *>(&data64), sizeof(data64));
 }  // setValue
 
 /**