update marketing banner (#7736)

* update marketing banner

* style(lint): Auto commit lint changes

* Update src/components/banner.tsx

* Update src/components/banner.tsx

---------

Co-authored-by: getsantry[bot] <66042841+getsantry[bot]@users.noreply.github.com>

src/components/banner.tsx

@@ -5,10 +5,12 @@ import React, {useEffect, useState} from 'react';
 // This is a lazy way of doing things but will work until
 // we put a more robust solution in place.
 //
-const SHOW_BANNER = false;
-const BANNER_TEXT = '';
-const BANNER_LINK_URL = '';
-const BANNER_LINK_TEXT = '';
+const SHOW_BANNER = true;
+const BANNER_TEXT =
+  'Learn how to detect, fix, and prevent ANRs. Hear from Sentry Android experts. Sep 26 | 10am PST';
+const BANNER_LINK_URL =
+  'https://sentry.io/resources/ama-detect-fix-prevent-anrs/?promo_name=from-docs-banner';
+const BANNER_LINK_TEXT = 'Register Now';
 const OPTIONAL_BANNER_IMAGE = null;
 
 //