Add email relay to approved

Per EMAIL-1048

Author: jhutchings1

src/content/partials/fundamentals/account-owned-tokens.mdx

@@ -44,7 +44,7 @@ Account owned tokens are generally available for all accounts. Some services may
 | Distributed Web                 | ✅            |
 | DNS                             | ✅            |
 | Durable Objects                 | ✅            |
-| Email Relay                     | ❌            |
+| Email Relay                     | ✅            |
 | Secure Web Gateway              | ✅            |
 | Healthchecks                    | ✅            |
 | Hyperdrive                      | ✅            |