fix(v-on): capitalize dynamic event names

packages/runtime-core/src/index.ts

@@ -225,19 +225,7 @@ export {
   createCommentVNode,
   createStaticVNode
 } from './vnode'
-
-// a bit of ceremony to mark these internal only here because we need to include
-// them in @vue/shared's typings
-import { toDisplayString, camelize } from '@vue/shared'
-/**
- * @private
- */
-const _toDisplayString = toDisplayString
-/**
- * @private
- */
-const _camelize = camelize
-export { _toDisplayString as toDisplayString, _camelize as camelize }
+export { toDisplayString, camelize, capitalize } from '@vue/shared'
 
 // For test-utils
 export { transformVNodeArgs } from './vnode'