7.5.0-alpha.4

• CLI: Fix Nextjs project detection - #24346, thanks @yannbf!
• Core: Deprecate storyStoreV6 (including storiesOf) and storyIndexers - #23938, thanks @JReinhold!
• Core: Fix Promise cycle bug in useSharedState - #24268, thanks @ndelangen!
• Core: Fix missing favicon during dev - #24356, thanks @ndelangen!
• NextJS: Change babel plugins from proposal-... to transform-... - #24290, thanks @roottool!
• Nextjs: Improve support for Windows-style paths - #23695, thanks @T99!
• UI: Fix infinite hook call causing browsers to freeze - #24291, thanks @yannbf!
• UI: Improve contrast ratio between focus / hover - #24205, thanks @chocoscoding!
• Vite: Move mdx-plugin from @storybook/builder-vite to @storybook/addon-docs - #24166, thanks @bryanjtc!