fix(types): allow indeterminate for checkbox (vuejs#3473)

Author: simon04

packages/runtime-dom/types/jsx.d.ts

@@ -467,6 +467,7 @@ export interface InputHTMLAttributes extends HTMLAttributes {
   formnovalidate?: Booleanish
   formtarget?: string
   height?: Numberish
+  indeterminate?: boolean
   list?: string
   max?: Numberish
   maxlength?: Numberish