Update callout to watch Sentry SaaS video (#10864)

Author: lizokm

docs/concepts/migration/index.mdx

@@ -7,7 +7,7 @@ description: "Learn more about the reasons to move to Sentry's SaaS solution, wh
 Sentry offers a cloud-hosted, software-as-a-service (SaaS) solution in addition to a self-hosted solution, which are both functionally the same. However, many customers find that self-hosted Sentry can quickly become expensive to maintain, scale, and support, making our SaaS product the better and less costly option. To facilitate moving from self-hosted to SaaS, we provide a self-serve process known as "relocation".
 
 <Alert>
-We're hosting a live workshop on **Migrating to Sentry SaaS on April 30th.** [Sign up here](https://sentry.io/resources/migrate-to-sentry-saas-workshop/) to learn about our relocation tooling and get a chance to ask questions live.
+Check out this video on [**Migrating to Sentry SaaS**](https://sentry.io/resources/migrate-to-sentry-saas-workshop/) to learn about our relocation tooling.
 </Alert>
 
 For additional reading on considering SaaS, take a look at: