chore: synchronous gas report

Author: carrion256

contract/vault/examples/gas_report.rs

@@ -26,18 +26,14 @@ async fn main() {
     let user1_amount = max / ITERATIONS as u128;
 
     // Run supplies concurrently.
-    let supply_futures = (0..ITERATIONS).map(|_| async {
-        vault
+    let mut supply_gas_average = 0f64;
+    for _ in 0..ITERATIONS {
+        supply_gas_average += vault
             .supply(&user1, user1_amount)
             .await
             .total_gas_burnt
             .as_gas() as f64
-    });
-    let supply_results = futures::future::join_all(supply_futures).await;
-
-    let mut supply_gas_average = 0f64;
-    for s in supply_results {
-        supply_gas_average += s / ITERATIONS as f64;
+            / ITERATIONS as f64;
     }
 
     let mut allocation_gas_average = 0f64;