WP/DeprecatedParameters: update the functions list based on WP 6.9.0-RC2

Based on a scan of WP Core at commit WordPress/wordpress-develop@87e656 using a preliminary sniff created for issue 1803.

Includes tests.

Author: jrfnl

WordPress/Sniffs/WP/DeprecatedParametersSniff.php

@@ -50,7 +50,7 @@ final class DeprecatedParametersSniff extends AbstractFunctionParameterSniff {
 	 *
 	 * The functions are ordered 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 0.12.0
 	 *
@@ -86,6 +86,13 @@ final class DeprecatedParametersSniff extends AbstractFunctionParameterSniff {
 				'version' => '5.9.0',
 			),
 		),
+		'_wp_can_use_pcre_u' => array(
+			1 => array(
+				'name'    => 'set',
+				'value'   => null,
+				'version' => '6.9.0',
+			),
+		),
 		'_wp_post_revision_fields' => array(
 			2 => array(
 				'name'    => 'deprecated',

WordPress/Tests/WP/DeprecatedParametersUnitTest.inc

@@ -99,3 +99,4 @@ global_terms( $foo, 'deprecated' );
 // All will give an WARNING as they have been deprecated after WP 6.5.
 inject_ignored_hooked_blocks_metadata_attributes('', 'deprecated');
 wp_render_elements_support_styles('deprecated');
+_wp_can_use_pcre_u('deprecated');

WordPress/Tests/WP/DeprecatedParametersUnitTest.php

@@ -54,6 +54,7 @@ public function getWarningList() {
 		return array(
 			100 => 1,
 			101 => 1,
+			102 => 1,
 		);
 	}
 }