storybook 9.0.0-alpha.2 on Node.js NPM

9.0.0-alpha.2

AutoBlocker: Add major version upgrade blocker - #30714, thanks @ndelangen!
CLI: Add index command / API - #30071, thanks @shilman!
CSF Factories: Align addon-essentials import with other addons - #30716, thanks @kasperpeulen!
Core: Move @storybook/instrumenter into core - #30740, thanks @valentinpalkovic!
Core: Support TS3.8+ again - #30700, thanks @kasperpeulen!
Maintenance: Merge @storybook/core with storybook - #30168, thanks @ndelangen!
Maintenance: Remove deprecated packages - #30690, thanks @ndelangen!
Manager: Add Content-Type to prevent reliance on content type sniffing, fixing Cloud IDEs - #30606, thanks @GCHQDeveloper548!
Next: Support Next 15.2 - #30702, thanks @kasperpeulen!
React: Export returntype of ReactMeta#story - #30580, thanks @mrginglymus!
Revert "CLI: Don't initially select Documentation and Testing features" - #30694, thanks @shilman!
Test Addon: Stabilize and remove experimental status - #30727, thanks @valentinpalkovic!
Typescript: Drop Typescript < 4.9 support - #30736, thanks @valentinpalkovic!
Vite: Improve handling of preview annotations - #28798, thanks @tobiasdiez!
Vite: Include node_modules in stats file - #30711, thanks @JReinhold!