fix(type): import ISbStoryData from storyblok-js package

- Added an import statement for the Storyblok type to the generated types file, enhancing type safety and ensuring proper type definitions are utilized in the generated output.

Author: alvarosabu

src/commands/types/generate/actions.ts

@@ -406,6 +406,7 @@ export const generateStoryblokTypes = async (options: SaveTypesOptions = {}) =>
     const typeDefs = [
       '// This file was generated by the Storyblok CLI.',
       '// DO NOT MODIFY THIS FILE BY HAND.',
+      `import type { ${STORY_TYPE} } from '@storyblok/js';`,
       storyblokTypesContent,
     ].join('\n');