Migrate to @bsky.app/alf package (#9030)

* Add storybook shortcut in dev

* Migrate to alg pkg

* Migrate font_bold to new font_semi_bold

* Migrate font_heavy to font_bold

* Fix old theme refs

* Remove leading util

* Bump

* Revert "Add storybook shortcut in dev"

This reverts commit 7a86195c77fb5d449c7782e64ebabb6addfab919.

* Remove alf script

* Adjust font scale

* Bump

* Bump pkg

* Migrate values from conflicts

* Create default themes outside react

* Use built-in alf utils

* Migrate old font styles

* Remove unused tokens

* Move theme creation to more appropriate file

* Update button colors

* Adjust TextField colors, line heights

src/components/ProgressGuide/Toast.tsx

@@ -160,7 +160,7 @@ export const ProgressGuideToast = React.forwardRef<
               ref={animatedCheckRef}
             />
             <View>
-              <Text style={[a.text_md, a.font_bold]}>{title}</Text>
+              <Text style={[a.text_md, a.font_semi_bold]}>{title}</Text>
               {subtitle && (
                 <Text style={[a.text_sm, t.atoms.text_contrast_medium]}>
                   {subtitle}