Update WC version requirements to 10.6+ / tested up to 10.7

MCP integration shipped in WC 10.3.0; requiring 10.6 sets a
conservative but clean baseline for the initial public release.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: louwie17

hey-woo.php

@@ -10,8 +10,8 @@
  * Domain Path: /languages
  * Requires at least: 6.9
  * Requires PHP: 7.4
- * WC requires at least: 8.0
- * WC tested up to: 9.6
+ * WC requires at least: 10.6
+ * WC tested up to: 10.7
  * License: GPL-3.0-or-later
  * License URI: https://www.gnu.org/licenses/gpl-3.0.html
  *