should_run path use as_str() to avoid an allocation

Author: bentongxyz

src/bootstrap/setup.rs

@@ -91,7 +91,7 @@ impl Step for Profile {
 
     fn should_run(mut run: ShouldRun<'_>) -> ShouldRun<'_> {
         for choice in Profile::all() {
-            run = run.alias(&choice.to_string());
+            run = run.alias(choice.as_str());
         }
         run
     }