chore(portal): use local website url for versions in dev (#10057)

When starting a local client with a local portal, this URL is hit and
times out, causing noise in the local gateway log.

In order to develop against this API in local dev, it might be better to
use the local website URL as well.

elixir/config/dev.exs

@@ -15,6 +15,9 @@ config :domain, outbound_email_adapter_configured?: true
 
 config :domain, run_manual_migrations: true
 
+config :domain, Domain.ComponentVersions,
+  firezone_releases_url: "http://localhost:3000/api/releases"
+
 config :domain, Domain.Billing,
   enabled: System.get_env("BILLING_ENABLED", "false") == "true",
   secret_key: System.get_env("STRIPE_SECRET_KEY", "sk_dev_1111"),