chore: update token path in Storybook

Author: castastrophe

.storybook/decorators/context.js

@@ -1,7 +1,7 @@
 import { makeDecorator, useEffect } from "@storybook/preview-api";
 import { fetchContainers, toggleStyles } from "./helpers.js";
 
-import tokens from "@spectrum-css/tokens/dist/index.css?inline";
+import tokens from "@spectrum-css/tokens/dist/css/index.css?inline";
 
 /**
  * @type import('@storybook/csf').DecoratorFunction<import('@storybook/web-components').WebComponentsFramework>