Update CHANGELOG.md for v8.0.9 [skip ci]

CHANGELOG.md

@@ -1,3 +1,14 @@
+## 8.0.9
+
+- Addon-docs: Fix MDX compilation when using `@vitejs/plugin-react-swc` with plugins - [#26837](https://github.com/storybookjs/storybook/pull/26837), thanks @JReinhold!
+- CSF: Fix typings for control and other properties of argTypes - [#26824](https://github.com/storybookjs/storybook/pull/26824), thanks @kasperpeulen!
+- Controls: Fix crashing when docgen extraction partially fails - [#26862](https://github.com/storybookjs/storybook/pull/26862), thanks @yannbf!
+- Doc Tools: Signature Type Error Handling - [#26774](https://github.com/storybookjs/storybook/pull/26774), thanks @ethriel3695!
+- Next.js: Move sharp into optional deps - [#26787](https://github.com/storybookjs/storybook/pull/26787), thanks @shuta13!
+- Nextjs: Support next 14.2 useParams functionality - [#26874](https://github.com/storybookjs/storybook/pull/26874), thanks @yannbf!
+- Test: Remove chai as dependency of @storybook/test - [#26852](https://github.com/storybookjs/storybook/pull/26852), thanks @kasperpeulen!
+- UI: Fix sidebar search hanging when selecting a story in touch mode - [#26807](https://github.com/storybookjs/storybook/pull/26807), thanks @JReinhold!
+
 ## 8.0.8
 
 - Automigration: Fix name of VTA addon - [#26816](https://github.com/storybookjs/storybook/pull/26816), thanks @valentinpalkovic!