Introduce CI test infra for e2e test

[amitkrout]

Is your task related to a problem? Please describe.

Introduce a new CI test infra that helps us to run e2e test against the freshly compiled operator image.

Describe the solution you'd like

https://github.com/argoproj-labs/argocd-operator/pull/318#issuecomment-852030941

Describe alternatives you've considered

Could be we can consider - GitHub Action and a Kubernetes cluster ?

Additional context

[amitkrout]

ping @sbose78 @wtam2018 @jannfis

[amitkrout]

ping @jopit

[tylerauerbeck]

I think this is addressed here: https://github.com/argoproj-labs/argocd-operator/blob/master/.github/workflows/ci-build.yaml#L44-L152 . Is there anything else that needs added for this?