Coding Standards: Replace alias join() in WP_Font_Utils.

Replaces the alias `join()` with its canonical `implode()`.

Using the canonical function name for PHP functions is strongly recommended, as aliases may be deprecated or removed without (much) warning.

Follow-up to [57539], [49193].

Props davidbinda.
Fixes #60473.
Built from https://develop.svn.wordpress.org/trunk@57567


git-svn-id: http://core.svn.wordpress.org/trunk@57068 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/fonts/class-wp-font-utils.php

@@ -132,7 +132,7 @@ class WP_Font_Utils {
 			$slug_elements
 		);
 
-		return sanitize_text_field( join( ';', $slug_elements ) );
+		return sanitize_text_field( implode( ';', $slug_elements ) );
 	}
 
 	/**

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.5-alpha-57566';
+$wp_version = '6.5-alpha-57567';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.