Update announcement-banner.html (#1727)[deploy site]

Change banner to reflect registrations now that CFP has closed

website_and_docs/layouts/partials/announcement-banner.html

@@ -6,8 +6,8 @@
     <div class="row g-0 justify-content-center">
       <div class="alert alert-{{ $color }} col-12 fade show mb-0 p-0 -bg-{{ $color }}" role="alert">
         <h4 class="alert-heading text-center m-0">
-          Selenium Conf 2024 Call for Proposals is now open! Submissions close 30 April.
-          <a href="https://2024.seleniumconf.in/submit-a-proposal/?utm_medium=referral&utm_source=selenium.dev&utm_campaign=CFP-launch&utm_content=cfp-page" target='_blank' aria-pressed="true">Learn more & submit</a>
+          Registrations open for Selenium Conf 2024 online - live on 21 June. 
+          <a href="https://2024.seleniumconf.in/?utm_medium=referral&utm_source=selenium.dev&utm_campaign=registration" target='_blank' aria-pressed="true"> Register now!</a>
         </h4>
       </div>
     </div>