Request scope for reading GitHub packages (read:packages)

[jcansdale]

Which Version of GCM are you using ?

Git Credential Manager for Windows version 1.20.0

Which service are you trying to connect to

• GitHub
• GitHub Enterprise

Expected behavior

Token is created that is able to read GitHub Packages.

Actual behavior

repo and gist scopes are available but not read:packages.

See here: https://github.com/microsoft/Git-Credential-Manager-for-Windows/blob/master/Shared/Cli/Program.cs#L83

Notes

Azure DevOps defaults to including the vso.packaging scope, see:
https://docs.microsoft.com/en-us/azure/devops/extend/develop/manifest?view=azure-devops#scopes

[jrbriggs]

@jcansdale I'd happily review a PR for this feature!