LW banners on new banners component (#11781)

Author: elijames-codecov

src/components/banner/index.tsx

@@ -48,6 +48,12 @@ type BannerType = {
 const BANNERS: BannerType[] = [
   /// ⚠️ KEEP THIS LAST BANNER ACTIVE FOR DOCUMENTATION
   // check it out on `/contributing/pages/banners/`
+  {
+    appearsOn: ['^/$', '^/platforms/'],
+    text: 'New products are coming. Join us for Sentry Launch Week, Nov 18-21.',
+    linkURL: 'https://sentry.io/events/launch-week/?promo_name=launchweekQ4FY2024',
+    linkText: `See what's coming`,
+  },
   {
     appearsOn: ['^/contributing/pages/banners/'],
     text: 'Edit this banner on `/src/components/banner/index.tsx`',