Fix composer dependency version constraint (v0.0.2)

- Use ^0.2.2 instead of dev-main for wc-licensed-product-client
- Set minimum-stability to stable for CI/CD compatibility

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

wp-prometheus.php

@@ -3,7 +3,7 @@
  * Plugin Name: WP Prometheus
  * Plugin URI: https://src.bundespruefstelle.ch/magdev/wp-prometheus
  * Description: Prometheus metrics endpoint for WordPress with extensible hooks for custom metrics.
- * Version: 0.0.1
+ * Version: 0.0.2
  * Requires at least: 6.4
  * Requires PHP: 8.3
  * Author: Marco Graetsch
@@ -26,7 +26,7 @@ if ( ! defined( 'ABSPATH' ) ) {
  *
  * @var string
  */
-define( 'WP_PROMETHEUS_VERSION', '0.0.1' );
+define( 'WP_PROMETHEUS_VERSION', '0.0.2' );
 
 /**
  * Plugin file path.