List VCS Providers

This endpoint returns a list of VCS providers by various filters.

To list VCS providers accessible from a specific environment - filter[environment],
or when from a specific account - filter[account] has to be specified.

For self-hosted Scalr there's also an option to list all VCS providers created globally

• both filter[account]=null and filter[environment]=null has to be specified.

If no environment or account filters were specified, all VCS providers to which a
current user has read access will be returned.