Removed implicitly nullable arguments

Author: shudd3r

src/Setup.php

@@ -28,7 +28,7 @@ class Setup
     /**
      * @param Build|null $build
      */
-    public function __construct(Build $build = null)
+    public function __construct(?Build $build = null)
     {
         $this->build = $build ?: new Build();
     }

tests/Setup/EntryTest.php

@@ -134,7 +134,7 @@ private function builder(): Doubles\MockedBuild
         return new Doubles\MockedBuild();
     }
 
-    private function entry(string $id, Doubles\MockedBuild $build = null): Entry
+    private function entry(string $id, ?Doubles\MockedBuild $build = null): Entry
     {
         return new Entry($id, $build ?? $this->builder());
     }