I18N: Use consistent context for the "Add New" string when referring to media.

This replaces the only instance of the `add new media` context with `file`, used in other instances of the string.

Follow-up to [9198], [10680], [21948].

Props benjgrolleau, tobifjellner, SergeyBiryukov.
Fixes #55876.
Built from https://develop.svn.wordpress.org/trunk@53453


git-svn-id: http://core.svn.wordpress.org/trunk@53042 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/post.php

@@ -75,7 +75,7 @@ function create_initial_post_types() {
 			'labels'                => array(
 				'name'           => _x( 'Media', 'post type general name' ),
 				'name_admin_bar' => _x( 'Media', 'add new from admin bar' ),
-				'add_new'        => _x( 'Add New', 'add new media' ),
+				'add_new'        => _x( 'Add New', 'file' ),
 				'edit_item'      => __( 'Edit Media' ),
 				'view_item'      => __( 'View Attachment Page' ),
 				'attributes'     => __( 'Attachment Attributes' ),

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.1-alpha-53452';
+$wp_version = '6.1-alpha-53453';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.