[PhpUnitBridge] Add CAA type in DnsMock

Author: jwaguet

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,
     ];
 
     /**