update BLE library for ESP32 env compatibility

with the last version of ESP32 arduino env it is not possible to compile on ESP32, we get "missing gatt_api.h" ERROR. So as to avoid that we need to use the last version of the nkolban library for BLE 0.4.16

lib/ESP32_BLE_Arduino/src/BLEUUID.h

@@ -24,11 +24,12 @@ public:
 	BLEUUID(uint8_t* pData, size_t size, bool msbFirst);
 	BLEUUID(esp_gatt_id_t gattId);
 	BLEUUID();
+	int            bitSize();   // Get the number of bits in this uuid.
 	bool           equals(BLEUUID uuid);
 	esp_bt_uuid_t* getNative();
 	BLEUUID        to128();
 	std::string    toString();
-	static BLEUUID fromString(std::string uuid);
+	static BLEUUID fromString(std::string uuid);  // Create a BLEUUID from a string
 
 private:
 	esp_bt_uuid_t m_uuid;       // The underlying UUID structure that this class wraps.