migrate providers to run GHA test

[jaxxstorm]

• [x] kong
• [ ] spotinst - getting permission issues with the AWS keys
• [x] mailgun
• [x] digitalocean
• [x] rancher2
• [x] keycloak
• [x] gitlab
• [x] auth0
• [x] mongodbatlas
• [x] github
• [x] pagerduty

[jaxxstorm]

having AWS access key issues with spotinst, working on those

[jaxxstorm]

add docker support to the generator for kong and others.

[jaxxstorm]

keycloak is fixed

[stack72]

Mailgun has a green PR open https://github.com/pulumi/pulumi-mailgun/pull/10