Update BlogBanners with new webinar details and link

Author: Siddhant-K-code

components/dashboard/src/workspaces/BlogBanners.tsx

@@ -24,9 +24,9 @@ const banners = [
         link: "https://www.gitpod.io/blog/gartner-2023-cde-hypecycle",
     },
     {
-        type: "Webinar Series",
-        title: "The Platform Engineering maturity model",
-        link: "https://www.gitpod.io/events#platform-maturity-model-series",
+        type: "Watch recording",
+        title: "Beyond Kubernetes: A deep-dive into Gitpod Flex with our CTO",
+        link: "https://www.gitpod.io/events#watch-on-demand",
     },
 ];