Reduce allocations (#31223)

Release Notes:

- N/A

crates/project/src/debugger/locators/cargo.rs

@@ -164,13 +164,9 @@ impl DapLocator for CargoLocator {
 
         Ok(DebugRequest::Launch(task::LaunchRequest {
             program: executable,
-            cwd: build_config.cwd.clone(),
+            cwd: build_config.cwd,
             args,
-            env: build_config
-                .env
-                .iter()
-                .map(|(k, v)| (k.clone(), v.clone()))
-                .collect(),
+            env: build_config.env.into_iter().collect(),
         }))
     }
 }