Docs: Synchronize `@since` notes for `add_magic_quotes()` and `wp_slash()`.

Follow-up to [48205], [48433].

See #49572.
Built from https://develop.svn.wordpress.org/trunk@48441


git-svn-id: http://core.svn.wordpress.org/trunk@48210 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/formatting.php

@@ -5502,10 +5502,10 @@ function sanitize_trackback_urls( $to_ping ) {
  * This should not be used to escape data going directly into an SQL query.
  *
  * @since 3.6.0
- * @since 5.5.0 Leave a non-string value untouched.
+ * @since 5.5.0 Non-string values are left untouched.
  *
- * @param string|array $value String or array of strings to slash.
- * @return string|array Slashed $value
+ * @param string|string[] $value String or array of strings to slash.
+ * @return string|string[] Slashed $value.
  */
 function wp_slash( $value ) {
 	if ( is_array( $value ) ) {

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-beta1-48440';
+$wp_version = '5.5-beta1-48441';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.