Prevent PHP `doing_it_wrong` warnings in extend-cart-checkout-block package (#52195)

packages/js/extend-cart-checkout-block/$slug.php.mustache

@@ -18,9 +18,17 @@
  *
  * @package         {{namespace}}
  */
-add_action( 'woocommerce_blocks_loaded',
+
+add_action(
+	'init',
 	function () {
 		register_block_type_from_metadata( __DIR__ . '/build/js/checkout-newsletter-subscription-block' );
+	}
+);
+
+add_action(
+	'woocommerce_blocks_loaded',
+	function () {
 		require_once __DIR__ . '/{{slug}}-blocks-integration.php';
 		add_action(
 			'woocommerce_blocks_cart_block_registration',

packages/js/extend-cart-checkout-block/changelog/fix-enqueue-styles-extend-cart-checkout-block

@@ -0,0 +1,4 @@
+Significance: patch
+Type: fix
+
+Prevent doing_it_wrong warnings while registering the example block.

packages/js/extend-cart-checkout-block/index.js

@@ -4,7 +4,7 @@ module.exports = {
 		npmDevDependencies: [
 			'@woocommerce/dependency-extraction-webpack-plugin',
 			'@woocommerce/eslint-plugin',
-			'@wordpress/prettier-config',
+			'@wordpress/prettier-config@2.25.13',
 			'@wordpress/scripts',
 		],
 	},