add missing toolbar option in astro:server:setup

It seems it was added in withastro/astro#7821 so in v4.7.0.

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

@@ -51,7 +51,11 @@ interface AstroIntegration {
       routes: IntegrationResolvedRoute[];
       logger: AstroIntegrationLogger;
     }) => void | Promise<void>;
-    'astro:server:setup'?: (options: { server: vite.ViteDevServer; logger: AstroIntegrationLogger; }) => void | Promise<void>;
+    'astro:server:setup'?: (options: {
+      server: vite.ViteDevServer;
+      logger: AstroIntegrationLogger;
+      toolbar: ReturnType<typeof getToolbarServerCommunicationHelpers>;
+    }) => void | Promise<void>;
     'astro:server:start'?: (options: { address: AddressInfo; logger: AstroIntegrationLogger; }) => void | Promise<void>;
     'astro:server:done'?: (options: { logger: AstroIntegrationLogger; }) => void | Promise<void>;
     'astro:build:start'?: (options: { logger: AstroIntegrationLogger; }) => void | Promise<void>;
@@ -690,6 +694,7 @@ Allows you to adapt the logic of your integration depending on the user's projec
 ```js
 'astro:server:setup'?: (options: {
   server: vite.ViteDevServer;
+  toolbar: ReturnType<typeof getToolbarServerCommunicationHelpers>;
   refreshContent: (options: {
     loaders?: Array<string>;
     context?: Record<string, any>;
@@ -717,6 +722,16 @@ export default {
 }
 ```
 
+#### `toolbar` option
+
+<p>
+
+**Type:** `ReturnType<typeof getToolbarServerCommunicationHelpers>`<br />
+<Since v="4.7.0" />
+</p>
+
+Allows you to interact with the toolbar when the Astro's server is set up.
+
 #### `refreshContent` option
 
 <p>
@@ -769,7 +784,6 @@ You can also pass a `context` object to the loaders. This can be used to pass ar
 
 The loader can then access the `refreshContextData` property to get the webhook body. See the [`refreshContextData`](/en/reference/content-loader-reference/#refreshcontextdata) property for more information.
 
-
 ### `astro:server:start`
 
 **Previous hook:** [`astro:server:setup`](#astroserversetup)