AC-461: Add ReCaptcha support to coupon code

	* PHP version update in composer.json

Author: rizwankhgl

ReCaptchaCheckoutSalesRule/composer.json

@@ -2,7 +2,7 @@
     "name": "magento/module-re-captcha-checkout-sales-rule",
     "description": "Google ReCaptcha integration for Magento2 coupons",
     "require": {
-        "php": "~7.4.0||~8.0.0",
+        "php": "~7.4.0||~8.0.0||~8.1.0",
         "magento/framework": "*",
         "magento/module-checkout": "*",
         "magento/module-sales-rule": "*",