chore: updates alert-banner — hashiconf (#1264)

* chore: updates alert-banner — hashiconf eu

website/data/alert-banner.js

@@ -1,10 +1,12 @@
 export const ALERT_BANNER_ACTIVE = true
 
+// https://github.com/hashicorp/react-components/tree/main/packages/alert-banner
 export default {
   tag: 'June 8-11',
-  text:
-    'The countdown to HashiConf Europe is on, and the full schedule is now live.',
-  linkText: 'View Schedule',
   url: 'https://hashiconf.com/europe/?utm_source=DocsBanner',
-  expirationDate: null,
+  text: 'HashiConf Europe is happening now. Join all sessions live June 8 & 9.',
+  linkText: 'Join Now',
+  // Set the `expirationDate prop with a datetime string (e.g. `2020-01-31T12:00:00-07:00`)
+  // if you'd like the component to stop showing at or after a certain date
+  expirationDate: `2021-06-12T12:00:00-07:00`,
 }