add call for hCaptcha token

src/scripts/contact-form.js

@@ -109,6 +109,7 @@ form.addEventListener("submit", function(event) {
         hasErrors = true;
     }
     
+    const hCaptchaResponse = hcaptcha.getResponse();
     // Check for hCaptcha token
     if (!hCaptchaResponse) {
         showMessage("Please complete the CAPTCHA.", true);