Upgrade to eslint v9 (#1187)

* upgrade to eslint v9

* add storybook to ci workflow

* add back import/no-unresolved

* skip the axe clean file too

* remove rule again

* fix some additional issues

* add a changeset

* fix copilot feedback

* address one more piece of feedback

Author: rezrah

.changeset/spotty-geckos-cry.md

@@ -0,0 +1,5 @@
+---
+'@primer/react-brand': patch
+---
+
+No-op upgrade to our internal linting toolchain (ESLint v9), which affects the source code organization of this package. No functional impact is expected.

.eslintrc.js

@@ -12,7 +12,7 @@ thumbnail_darkMode: '/images/thumbnails/anchor-nav-thumbnail-dark.png'
 ---
 
 import {Label} from '@primer/react'
-import {AnchorNavChildrenProp} from './react.tsx'
+import {AnchorNavChildrenProp} from './react'
 
 ```js
 import {AnchorNav} from '@primer/react-brand'

apps/next-docs/.eslintrc.cjs

@@ -11,7 +11,7 @@ storybook: '/brand/storybook/?path=/story/components-Avatar--playground'
 
 import {Label} from '@primer/react'
 
-import {AvatarSizesProp, AvatarShapesProp} from './react.tsx'
+import {AvatarSizesProp, AvatarShapesProp} from './react'
 
 ```js
 import {Avatar, Stack} from '@primer/react-brand'

apps/next-docs/content/components/AnchorNav/index.mdx

@@ -19,7 +19,7 @@ import {
   BentoOrderProps,
   BentoPaddingProps,
   BentoAlignProps,
-} from './react.tsx'
+} from './react'
 
 ```js
 import {Bento} from '@primer/react-brand'

apps/next-docs/content/components/Avatar/react.mdx

@@ -17,7 +17,7 @@ import {
   BreakoutBannerLinkDirectionProps,
   HeadingTagsProps,
   HeadingSizesProps,
-} from './react.tsx'
+} from './react'
 
 ```js
 import {BreakoutBanner} from '@primer/react-brand'

apps/next-docs/content/components/Bento/index.mdx

@@ -11,7 +11,7 @@ source: https://github.com/primer/brand/blob/main/packages/react/src/Button/Butt
 storybook: '/brand/storybook/?path=/story/components-button--playground'
 ---
 
-import {ButtonVariantsProp, ButtonSizesProp} from './react.tsx'
+import {ButtonVariantsProp, ButtonSizesProp} from './react'
 import {SearchIcon, ChevronDownIcon, FilterIcon} from '@primer/octicons-react'
 
 ```js

apps/next-docs/content/components/BreakoutBanner/react.mdx

@@ -9,7 +9,7 @@ source: https://github.com/primer/brand/tree/main/packages/react/src/ButtonGroup
 storybook: '/brand/storybook/?path=/story/components-buttongroup--playground'
 ---
 
-import {ButtonGroupSizesProp, ButtonGroupAsProp} from './react.tsx'
+import {ButtonGroupSizesProp, ButtonGroupAsProp} from './react'
 
 ```js
 import {ButtonGroup, Button} from '@primer/react-brand'

apps/next-docs/content/components/Button/react.mdx

@@ -18,7 +18,7 @@ import {
   CTABannerHeadingAsProp,
   CTABannerHeadingSizeProp,
   CTABannerTextVariantsProp,
-} from './react.tsx'
+} from './react'
 
 ```js
 import {CTABanner, Button} from '@primer/react-brand'