Trigger manifest validation/update on client reported hash mismatch

[denelon]

Description of the new feature/enhancement

This feature represents the back-end services work to support microsoft/winget-cli#870 Provide mechanism to report SHA256 mismatch represents the client work to provide notification for hash mismatches.

[BrandonWanHuanSheng]

Exclude for github.com. Because it is different URL when the newer version releases.