Various sniffs: update docs

... to document when the lists were verified against WP Core last.

Author: jrfnl

WordPress/Sniffs/NamingConventions/ValidPostTypeSlugSniff.php

@@ -63,7 +63,7 @@ final class ValidPostTypeSlugSniff extends AbstractFunctionParameterSniff {
 	 *
 	 * Source: {@link https://developer.wordpress.org/reference/functions/register_post_type/#reserved-post-types}
 	 *
-	 * {@internal To be updated after every major release. Last updated for WordPress 6.8.1.}
+	 * {@internal To be updated after every major release. Last updated for WordPress 6.9.0-RC2.}
 	 *
 	 * @since 2.2.0
 	 *

WordPress/Sniffs/WP/CapabilitiesSniff.php

@@ -173,7 +173,7 @@ final class CapabilitiesSniff extends AbstractFunctionParameterSniff {
 	 *
 	 * List is sorted alphabetically.
 	 *
-	 * {@internal To be updated after every major release. Last updated for WordPress 6.8.1.}
+	 * {@internal To be updated after every major release. Last updated for WordPress 6.9.0-RC2.}
 	 *
 	 * @since 3.0.0
 	 *

WordPress/Sniffs/WP/DeprecatedClassesSniff.php

@@ -41,7 +41,7 @@ final class DeprecatedClassesSniff extends AbstractClassRestrictionsSniff {
 	 *
 	 * Version numbers should be fully qualified.
 	 *
-	 * {@internal To be updated after every major release. Last updated for WordPress 6.8.1.}
+	 * {@internal To be updated after every major release. Last updated for WordPress 6.9.0-RC2.}
 	 *
 	 * @var array
 	 */

WordPress/Sniffs/WP/DeprecatedParameterValuesSniff.php

@@ -43,7 +43,7 @@ final class DeprecatedParameterValuesSniff extends AbstractFunctionParameterSnif
 	 * looking for `_deprecated_argument()`.
 	 * The list is sorted alphabetically by function name.
 	 *
-	 * {@internal To be updated after every major release. Last updated for WordPress 6.8.1.}
+	 * {@internal To be updated after every major release. Last updated for WordPress 6.9.0-RC2.}
 	 *
 	 * @since 1.0.0
 	 * @since 3.0.0 The format of the value has changed to support function calls