Coding Standards: Align equals sign with surrounding assignments.

Fixes `Generic.Formatting.MultipleStatementAlignment.NotSameWarning` issue in PHPCS.

Follow-up to [61068], [61069].
See #64146.


git-svn-id: https://develop.svn.wordpress.org/trunk@61075 602fd350-edb4-49c9-b593-d223f7449a82

Author: westonruter

src/wp-includes/abilities.php

@@ -79,7 +79,7 @@ function wp_register_core_abilities(): void {
 			'description' => __( 'The WordPress version.' ),
 		),
 	);
-	$site_info_fields = array_keys( $site_info_properties );
+	$site_info_fields     = array_keys( $site_info_properties );
 
 	wp_register_ability(
 		'core/get-site-info',