Docs: Add missing `@since` tag for [45031].

Props dimadin.
See #46667.
Built from https://develop.svn.wordpress.org/trunk@45191


git-svn-id: http://core.svn.wordpress.org/trunk@45000 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/link-template.php

@@ -2248,6 +2248,7 @@ function get_pagenum_link( $pagenum = 1, $escape = true ) {
 	 * Filters the page number link for the current request.
 	 *
 	 * @since 2.5.0
+	 * @since 5.2.0 Added the `$pagenum` argument.
 	 *
 	 * @param string $result  The page number link.
 	 * @param int    $pagenum The page number.

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.2-beta3-45190';
+$wp_version = '5.2-beta3-45191';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.