I18N: Use a consistent wording for "Unable to write to file" strings.

Props ramiy.
Fixes #48862.
Built from https://develop.svn.wordpress.org/trunk@47344


git-svn-id: http://core.svn.wordpress.org/trunk@47131 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/setup-config.php

@@ -396,7 +396,7 @@ switch ( $step ) {
 	<p>
 			<?php
 			/* translators: %s: wp-config.php */
-			printf( __( 'Sorry, but I can&#8217;t write the %s file.' ), '<code>wp-config.php</code>' );
+			printf( __( 'Unable to write to %s file.' ), '<code>wp-config.php</code>' );
 			?>
 </p>
 <p>

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.4-beta2-47342';
+$wp_version = '5.4-beta2-47344';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.