Update backend code to Rust Edition 2024

central_backend/src/energy/consumption.rs

@@ -1,5 +1,5 @@
 use crate::app_config::{AppConfig, ConsumptionBackend};
-use rand::{thread_rng, Rng};
+use rand::{Rng, rng};
 use std::num::ParseIntError;
 use std::path::Path;
 
@@ -49,7 +49,7 @@ pub async fn get_curr_consumption() -> anyhow::Result<EnergyConsumption> {
     match backend {
         ConsumptionBackend::Constant { value } => Ok(*value),
 
-        ConsumptionBackend::Random { min, max } => Ok(thread_rng().gen_range(*min..*max)),
+        ConsumptionBackend::Random { min, max } => Ok(rng().random_range(*min..*max)),
 
         ConsumptionBackend::File { path } => {
             let path = Path::new(path);