docs: update

Author: sarahwu1115

active-rfcs/0000-infer-attrs.md

@@ -70,7 +70,7 @@ The following blow is the design details.
 - `attrs` is lower priority  than `props`.
 
 
-## `useAttrs`
+## `useAttrs<T>`
 In the `setup-script`, the generic type of `useAttrs` will compile to the second param of `defineComponent`