[BETA] ci: update reference docs

src/content/docs/en/reference/configuration-reference.mdx

@@ -1189,25 +1189,29 @@ See [the sessions guide](/en/guides/sessions/) for more information.
 
 <p>
 
-**Type:** `string | undefined`<br />
+**Type:** `SessionDriverConfig | undefined`<br />
 <Since v="5.7.0" />
 </p>
 
-The Unstorage driver to use for session storage.  The [Node](/en/guides/integrations-guide/node/#sessions),
+The driver to use for session storage. The [Node](/en/guides/integrations-guide/node/#sessions),
 [Cloudflare](/en/guides/integrations-guide/cloudflare/#sessions), and
 [Netlify](/en/guides/integrations-guide/netlify/#sessions) adapters automatically configure a default driver for you,
 but you can specify your own if you would prefer or if you are using an adapter that does not provide one.
 
-The value is the "Driver name" from the [Unstorage driver documentation](https://unstorage.unjs.io/drivers).
+```js title="astro.config.mjs" ins={7-9} ins=" sessionDrivers "
+import { defineConfig, sessionDrivers } from 'astro/config'
+import vercel from '@astrojs/vercel'
 
-```js title="astro.config.mjs" ins={4}
-{
-  adapter: vercel(),
+export default defineConfig({
+  adapter: vercel()
   session: {
-    driver: "redis",
-  },
-}
+    driver: sessionDrivers.redis({
+      url: process.env.REDIS_URL
+    }),
+  }
+})
 ```
+
 :::note
 Some drivers may need extra packages to be installed. Some drivers may also require environment variables or credentials to be set. See the [Unstorage documentation](https://unstorage.unjs.io/drivers) for more information.
 :::
@@ -1221,6 +1225,10 @@ Some drivers may need extra packages to be installed. Some drivers may also requ
 <Since v="5.7.0" />
 </p>
 
+:::caution[Deprecated]
+This is deprecated and will be removed in a future major version. Instead, pass options to the driver function.
+:::
+
 The driver-specific options to use for session storage. The options depend on the driver you are using. See the [Unstorage documentation](https://unstorage.unjs.io/drivers)
 for more information on the options available for each driver.