🔧 chore(phpcs): disable deprecated DuplicateArrayKey rule

Comment out Generic.Arrays.DuplicateArrayKey rule that no longer
exists in current PHP_CodeSniffer version.

Prevents CodeSniffer errors during quality checks.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: Biont

phpcs.xml.dist

@@ -14,7 +14,7 @@
     <rule ref="PSR12"/>
 
     <!-- Additional quality rules -->
-    <rule ref="Generic.Arrays.DuplicateArrayKey"/>
+    <!-- <rule ref="Generic.Arrays.DuplicateArrayKey"/> --> <!-- Disabled - sniff no longer exists in PHP_CodeSniffer -->
     <rule ref="Generic.Classes.DuplicateClassName"/>
     <rule ref="Generic.CodeAnalysis.EmptyStatement"/>
     <rule ref="Generic.CodeAnalysis.UnconditionalIfStatement"/>