chore(Timeline): Move Timeline component css module feature flag to staff (#5389)

* Move Timeline to staff

* Create spicy-foxes-switch.md

Author: jonrohan

.changeset/spicy-foxes-switch.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Move Timeline component css module feature flag to staff

packages/react/src/Timeline/Timeline.tsx

@@ -10,7 +10,7 @@ import {useFeatureFlag} from '../FeatureFlags'
 import classes from './Timeline.module.css'
 import {defaultSxProp} from '../utils/defaultSxProp'
 
-const CSS_MODULES_FEATURE_FLAG = 'primer_react_css_modules_team'
+const CSS_MODULES_FEATURE_FLAG = 'primer_react_css_modules_staff'
 
 type StyledTimelineProps = {clipSidebar?: boolean; className?: string} & SxProp