Automatic publishing to Winget

[Ancient77]

This pull request fixes/closes #2186.

@extrawurst, the default is to use the repo_owner but you can use a different account aswell if you want.

steps left (more details):

• add a classic personal access token with the "public_repo" scope as WINGET_TOKEN to the secrets
• Fork microsoft/winget-pkgs
  • Use Pull App to keep the fork up to date

It changes the following:

• add a step to cd,yml to create a new PR in winget-pkgs on a new release
• configure dependabot to also check Github actions.