style: apply fixes from qa

Author: innocenzi

packages/mailer/src/Address.php

@@ -4,11 +4,11 @@
 
 use Stringable;
 
-final class Address implements Stringable
+final readonly class Address implements Stringable
 {
     public function __construct(
-        public readonly string $email,
-        public readonly ?string $name = null,
+        public string $email,
+        public ?string $name = null,
     ) {}
 
     public function __toString(): string

packages/mailer/src/Attachments/DataAttachment.php

@@ -7,12 +7,12 @@
 /**
  * Represents an attachment that leaves in the local filesystem.
  */
-final class DataAttachment implements Attachment
+final readonly class DataAttachment implements Attachment
 {
     private function __construct(
-        public readonly Closure $resolve,
-        public readonly ?string $name,
-        public readonly ?string $contentType,
+        public Closure $resolve,
+        public ?string $name,
+        public ?string $contentType,
     ) {}
 
     /**

packages/mailer/src/Content.php

@@ -14,7 +14,7 @@ final class Content
     public function __construct(
         public null|string|View $html = null,
         public ?string $text = null,
-        /** @var Tempest\Mail\Attachments\Attachment[] */
+        /** @var Attachment[] */
         public array $attachments = [],
     ) {
         if (! $text && ! $html) {

tests/Integration/Mailer/MailerTest.php

@@ -2,13 +2,13 @@
 
 namespace Tests\Tempest\Integration\Mailer;
 
+use Tempest\Mail\Attachments\StorageAttachment;
 use Tempest\Mail\Content;
 use Tempest\Mail\Envelope;
 use Tempest\Mail\Exceptions\MissingExpeditorAddressException;
 use Tempest\Mail\Exceptions\MissingRecipientAddressException;
 use Tempest\Mail\GenericEmail;
 use Tempest\Mail\Mailer;
-use Tempest\Mail\Attachments\StorageAttachment;
 use Tempest\Mail\Transports\Smtp\Scheme;
 use Tempest\Mail\Transports\Smtp\SmtpMailerConfig;
 use Tests\Tempest\Integration\FrameworkIntegrationTestCase;