Coding Standards: Break out of the inner loop in `make_site_theme_from_default()`.

This more closely matches the previous behavior with multiple `if`/`elseif` statements.

Follow-up to [55688].

See #56982.
Built from https://develop.svn.wordpress.org/trunk@55698


git-svn-id: http://core.svn.wordpress.org/trunk@55210 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/upgrade.php

@@ -3339,6 +3339,7 @@ function make_site_theme_from_default( $theme_name, $template ) {
 			foreach ( $headers as $header => $value ) {
 				if ( strpos( $line, $header ) !== false ) {
 					$line = $header . ' ' . $value;
+					break;
 				}
 			}
 

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.3-alpha-55697';
+$wp_version = '6.3-alpha-55698';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.