Docs: Replace `@returns` tag in `media/views/attachment/details.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@48309


git-svn-id: http://core.svn.wordpress.org/trunk@48078 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/js/media-views.js

@@ -9031,7 +9031,7 @@ Details = Attachment.extend(/** @lends wp.media.view.Attachment.Details.prototyp
 	 *
 	 * @param {MouseEvent} event A click event.
 	 *
-	 * @returns {void}
+	 * @return {void}
 	 */
 	 copyAttachmentDetailsURLClipboard: function() {
 		var clipboard = new ClipboardJS( '.copy-attachment-url' ),

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-alpha-48308';
+$wp_version = '5.5-alpha-48309';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.