Heroic attempt to update WinGet

[denelon]

Relevant area(s)

WinGet CLI

Description of the new feature / enhancement

When an update to WinGet is determined to be available, WinGet should make a "heroic" attempt to update itself. This could include checking via the Microsoft Store, the community repository, and possibly GitHub releases as well.

Proposed technical implementation details

No response

[github-actions]

The following issues might be duplicates:

• When the index is updated, WinGet should check for updates to itself and prompt. #6328

AI-generated content by genai-issue-dedup may be incorrect.