fix: update ttb copy jwt.io feedback (#703)

Author: byron-okta

views/website/navigation.pug

@@ -1,7 +1,7 @@
 .top-banner-bg
 .top-banner
   .top-banner-container
-    a(href="https://a0.to/jwt-io-feedback" target="_blank") Help us shape the future of jwt.io! Learn more about upcoming changes and share feedback.
+    a(href="https://a0.to/jwt-io-feedback" target="_blank") Learn about the upcoming changes to jwt.io and share your feedback
       span(aria-hiden="true") →
     button.close-top-banner +