chore(login): update the login banners (#72027)

Updates login banner to promote the tracing webinar

src/sentry/templates/sentry/partial/alerts.html

@@ -78,9 +78,9 @@
   <div class="alert-banner">
     <div class="alert-message">
       {% if banner_choice == 0 %}
-      Check out Sentry's User Feedback Widget. Know about issues that don't trigger exceptions and connect with your customers. &nbsp<a target="_blank" href="https://blog.sentry.io/introducing-user-feedback-the-easiest-way-to-connect-with-your-users/?utm_source=sentry&utm_medium=pendo&utm_campaign=feedback-fy25q2-userfeedback&utm_content=blog-userfeedback-ga-learnmore">Read more.</a>
+      Join our workshop: Tracing Frontend Issues with Backend Solutions on June 20th. &nbsp<a target="_blank" href="https://sentry.io/resources/tracing-frontend-issues-with-backend-solutions/?utm_source=pendo&utm_medium=pendo&utm_campaign=tracing-fy25q2-traceworkshop&utm_content=workshop-tracingworkshop-rsvp">Register now.</a>
       {% elif banner_choice == 1 %}
-      Have a personal website? Learn five easy ways to improve your personal website's performance. &nbsp<a target="_blank" href="https://blog.sentry.io/5-easy-tips-to-improve-your-personal-website-performance/?utm_source=sentry&utm_medium=pendo&utm_campaign=perf-fy25q2-frontend&utm_content=blog-5-perf-tips-for-websites-learnmore">Read more.</a>
+      Join our workshop: Tracing Frontend Issues with Backend Solutions on June 20th. &nbsp<a target="_blank" href="https://sentry.io/resources/tracing-frontend-issues-with-backend-solutions/?utm_source=pendo&utm_medium=pendo&utm_campaign=tracing-fy25q2-traceworkshop&utm_content=workshop-tracingworkshop-rsvp">Register now.</a>
       {% endif %}
     </div>
   </div>