Merge pull request #4792 from alex-fournier/fix-cache-directory

Fixes #4665: set correct cache directory path

lib/core/src/server/build-dev.js

@@ -8,6 +8,7 @@ import chalk from 'chalk';
 import { logger } from '@storybook/node-logger';
 import fetch from 'node-fetch';
 import Cache from 'file-system-cache';
+import findCacheDir from 'find-cache-dir';
 import opn from 'opn';
 import boxen from 'boxen';
 import semver from 'semver';
@@ -20,6 +21,7 @@ import { getDevCli } from './cli';
 const defaultFavIcon = require.resolve('./public/favicon.ico');
 
 const cache = Cache({
+  basePath: findCacheDir({ name: 'storybook' }),
   ns: 'storybook', // Optional. A grouping namespace for items.
 });