bug symfony#59503 [PhpUnitBridge] Add CAA type in DnsMock (jwaguet)

This PR was squashed before being merged into the 7.3 branch.

Discussion
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[PhpUnitBridge] Add CAA type in DnsMock

| Q             | A
| ------------- | ---
| Branch?       | 7.3
| Bug fix?      | no
| New feature?  | yes
| Deprecations? | no
| License       | MIT

<!--
Added support for CAA record type in DnsMock for improved DNS mocking capabilities
-->

Commits
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a3ba90d [PhpUnitBridge] Add CAA type in DnsMock

Author: fabpot

src/Symfony/Bridge/PhpUnit/CHANGELOG.md

@@ -5,6 +5,7 @@ CHANGELOG
 ---
 
  * Enable configuring clock and DNS mock namespaces with attributes
+ * Add support for CAA record type in DnsMock for improved DNS mocking capabilities
 
 7.2
 ---

src/Symfony/Bridge/PhpUnit/DnsMock.php

@@ -30,6 +30,7 @@ class DnsMock
         'NAPTR' => \DNS_NAPTR,
         'TXT' => \DNS_TXT,
         'HINFO' => \DNS_HINFO,
+        'CAA' => '\\' !== \DIRECTORY_SEPARATOR ? \DNS_CAA : 0,
     ];
 
     /**