Docs: Update `since` tag for HTTP status code 103 support.

Originally added in [42207].

Fixes #42490.
Built from https://develop.svn.wordpress.org/trunk@44383


git-svn-id: http://core.svn.wordpress.org/trunk@44213 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/functions.php

@@ -1101,7 +1101,7 @@ function wp( $query_vars = '' ) {
  * @since 2.3.0
  * @since 3.9.0 Added status codes 418, 428, 429, 431, and 511.
  * @since 4.5.0 Added status codes 308, 421, and 451.
- * @since 5.0.0 Added status code 103.
+ * @since 5.1.0 Added status code 103.
  *
  * @global array $wp_header_to_desc
  *

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.1-alpha-44382';
+$wp_version = '5.1-alpha-44383';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.