Taxonomy: Update @since annotations for meta_box_sanitize_cb arg.

Introduced in [42211].

Fixes #36514.

git-svn-id: https://develop.svn.wordpress.org/trunk@44519 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/post.php

@@ -1994,7 +1994,7 @@ function redirect_post( $post_id = '' ) {
 /**
  * Sanitizes POST values from a checkbox taxonomy metabox.
  *
- * @since 5.0.0
+ * @since 5.1.0
  *
  * @param mixed $terms Raw term data from the 'tax_input' field.
  * @return array
@@ -2006,7 +2006,7 @@ function taxonomy_meta_box_sanitize_cb_checkboxes( $taxonomy, $terms ) {
 /**
  * Sanitizes POST values from an input taxonomy metabox.
  *
- * @since 5.0.0
+ * @since 5.1.0
  *
  * @param mixed $terms Raw term data from the 'tax_input' field.
  * @return array