8.4.0-alpha.1

• Addon Test: Support story name as test description - #29147, thanks @InfiniteXyy!
• Addon-Interactions: Use ansi-to-html for colored test errors - #29110, thanks @kasperpeulen!
• Angular: Fix sourceDecorator to apply excludeDecorators flag - #29069, thanks @JSMike!
• Builder-vite: Replace .at() call with [] in codegen - #29048, thanks @Chudesnov!
• CLI: Ensure .gitignore updated via CLI ends with a newline - #29124, thanks @3w36zj6!
• CLI: Fix skip-install for stable latest releases - #29133, thanks @valentinpalkovic!
• CLI: Show constraints in error when getting depndencies - #29187, thanks @andrasczeh!
• Core: Do not add packageManager field to package.json during storybook dev - #29152, thanks @valentinpalkovic!
• Core: Do not prebundle better-opn - #29137, thanks @valentinpalkovic!
• Core: Do not prebundle jsdoc-type-pratt-parser - #29134, thanks @valentinpalkovic!
• Core: Replace fs-extra with the native APIs - #29126, thanks @ziebam!
• Next.js: Upgrade sass-loader from ^12 to ^13 - #29040, thanks @HoncharenkoZhenya!
• React-Vite: Downgrade react-docgen-typescript plugin - #29184, thanks @shilman!
• UI: Fix composed storybook TooltipLinkList bug where href isn't passed forward - #29175, thanks @JSMike!
• Viewport-addon: Add InitialViewportKeys type to viewport addon - #29182, thanks @hyeongrok7874!
• Vite: Add jsdoc-type-pratt-parser to optimizeDeps - #29179, thanks @tobiasdiez!