Docs: Add a summary, version, and @access tag to the property DocBlock for WP_Locale->number_format.

See [5308] for where the property was initially introduced.
See [31083] for where the property was actually declared.

Props brentvr.
See #30224. See #32246.


git-svn-id: https://develop.svn.wordpress.org/trunk@34489 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/locale.php

@@ -78,6 +78,10 @@ class WP_Locale {
 	public $text_direction = 'ltr';
 
 	/**
+	 * The thousands separator and decimal point values used for localizing numbers.
+	 *
+	 * @since 2.3.0
+	 * @access public
 	 * @var array
 	 */
 	public $number_format;