How to add aria-label (HTML tag attribute) on extended widgets

Summary:

I need to add aria-labels (equivalent to any html tag) on forminput.

Content (required):

I need to add aria-labels (equivalent to any html tag) on forminput.

I think a extended widget is the answer, Just like to know where this can be set (logic, view or metadata)

Version (include the version you are using, if applicable):

20D

Code Snippet (add any code snippets that support your topic, if applicable):