Fix styling

Author: danielebarbaro

src/Rules/VatNumber.php

@@ -9,7 +9,7 @@ class VatNumber implements ValidationRule
 {
     public function validate(string $attribute, mixed $value, \Closure $fail): void
     {
-        if (!VatValidator::validate($value)) {
+        if (! VatValidator::validate($value)) {
             $fail(__('The :attribute must be a valid VAT number.'));
         }
     }

src/Rules/VatNumberExist.php

@@ -10,7 +10,7 @@ class VatNumberExist implements ValidationRule
 {
     public function validate(string $attribute, mixed $value, Closure $fail): void
     {
-        if (!VatValidator::validateExistence($value)) {
+        if (! VatValidator::validateExistence($value)) {
             $fail(__('The :attribute must be write in a valid number format {country_name}{vat_number}.'));
         }
     }

src/Rules/VatNumberFormat.php

@@ -9,7 +9,7 @@ class VatNumberFormat implements ValidationRule
 {
     public function validate(string $attribute, mixed $value, \Closure $fail): void
     {
-        if (!VatValidator::validateFormat($value)) {
+        if (! VatValidator::validateFormat($value)) {
             $fail(__('VAT number :attribute  not exist.'));
         }
     }

src/VatValidator.php

@@ -49,7 +49,7 @@ class VatValidator
      */
     public function __construct(private ?Client $client = null)
     {
-        if (!$this->client instanceof Client) {
+        if (! $this->client instanceof Client) {
             $this->client = new Client();
         }
     }