Docs: Replace `@returns` tag in `wp-admin/js/post.js` with `@return`.

Per the documentation standards, `@returns` is an unsupported synonym, `@return` should be used instead.

Follow-up to [46800], [48232].

See #49572.
Built from https://develop.svn.wordpress.org/trunk@48298


git-svn-id: http://core.svn.wordpress.org/trunk@48067 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/js/post.js

@@ -1228,7 +1228,7 @@ jQuery(document).ready( function($) {
 	 *
 	 * @param {MouseEvent} event A click event.
 	 *
-	 * @returns {void}
+	 * @return {void}
 	 */
 	copyAttachmentURLClipboard.on( 'success', function( event ) {
 		var triggerElement = $( event.trigger ),

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-alpha-48297';
+$wp_version = '5.5-alpha-48298';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.