minor symfony#53325 [Webhook] Use one line for attribute and property (OskarStark)

This PR was merged into the 7.1 branch.

Discussion
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[Webhook] Use one line for attribute and property

| Q             | A
| ------------- | ---
| Branch?       | 7.1
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Issues        | --
| License       | MIT

As requested by `@nicolas`-grekas

Commits
-------

79f5bcc [Webhook] Use oneline for attribute and proeprty

Author: nicolas-grekas

src/Symfony/Component/Webhook/Subscriber.php

@@ -17,8 +17,7 @@ class Subscriber
 {
     public function __construct(
         private readonly string $url,
-        #[\SensitiveParameter]
-        private readonly string $secret,
+        #[\SensitiveParameter] private readonly string $secret,
     ) {
         if (!$secret) {
             throw new InvalidArgumentException('A non-empty secret is required.');