Update phpcs configuration for new validator classes

Add exclusions for PackageValidator, ValidatingPluginUpgrader, ValidatingThemeUpgrader,
and UpgraderWithValidation from namespace prefix rules

Co-authored-by: swissspidy <[email protected]>

Author: Copilot

phpcs.xml.dist

@@ -59,7 +59,7 @@
 	<rule ref="WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedNamespaceFound">
 		<exclude-pattern>*/src/WP_CLI/Fetchers/(Plugin|Theme)\.php$</exclude-pattern>
 		<exclude-pattern>*/src/WP_CLI/CommandWithUpgrade\.php$</exclude-pattern>
-		<exclude-pattern>*/src/WP_CLI/(CommandWith|DestructivePlugin|DestructiveTheme)Upgrader\.php$</exclude-pattern>
+		<exclude-pattern>*/src/WP_CLI/(CommandWith|DestructivePlugin|DestructiveTheme|ValidatingPlugin|ValidatingTheme|PackageValidator|UpgraderWithValidation).*\.php$</exclude-pattern>
 		<exclude-pattern>*/src/WP_CLI/Parse(Plugin|Theme)NameInput\.php$</exclude-pattern>
 	</rule>