Part of #164105.

Provide a notification with one-click actions to Secret Scanning Push Protection.

When a push fails, VS Code should explain the issue and offer to:

1. Revert the bad commit which added the secret (and open the file)
2. Open the file that has the commit
3. Point to the web page for unblocking the commit

Related: GitHub Advanced Security customers can now push protect their custom patterns, which will have a much higher false positive rate as enterprise teams own the rules.