“blynk-cloud.com” is the old blynk server. The new blynk server is"blynk.cloud".
Also, there’s no need to specify a server, just add the
#define BLYNK_TEMPLATE_ID "TMPLxxxxxx"
#define BLYNK_DEVICE_NAME "Device"
#define BLYNK_AUTH_TOKEN "YourAuthToken"
At the top of your sketch and use
Blynk.begin(auth, ssid, pass);
Instead.