chore: fix code style with Laravel Pint

app/Services/Diagnostics/DiagnosticRunner.php

@@ -17,10 +17,10 @@ class DiagnosticRunner
         $this->results = [];
 
         $diagnostics = [
-            new DatabaseDiagnostic(),
-            new SecurityDiagnostic(),
-            new SystemDiagnostic(),
-            new HttpDiagnostic(),
+            new DatabaseDiagnostic,
+            new SecurityDiagnostic,
+            new SystemDiagnostic,
+            new HttpDiagnostic,
         ];
 
         foreach ($diagnostics as $diagnostic) {