[9.x] Formats benchmarkables on dd call (#44297)

* Formats benchmarkables on `dd`

* Makes measure available to receive closure or array

* Fixes types

Author: nunomaduro

src/Illuminate/Support/Benchmark.php

@@ -41,6 +41,10 @@ public static function measure(Closure|array $benchmarkables, int $iterations =
      */
     public static function dd(Closure|array $benchmarkables, int $iterations = 1): void
     {
-        dd(static::measure($benchmarkables, $iterations));
+        $result = collect(static::measure(Arr::wrap($benchmarkables), $iterations))
+            ->map(fn ($average) => number_format($average, 3).'ms')
+            ->when($benchmarkables instanceof Closure, fn ($c) => $c->first(), fn ($c) => $c->all());
+
+        dd($result);
     }
 }