Auth via devtron dex - On CICD Integration and Central API new integrations

[vikramdevtron]

Summary

• Orchestrator- authenticator should be running up without having any argocd infra setup testing.
• Central api modifications - new api required for new integrations although existing api will be replaced in upcoming releases by this. new integrations data has to be added on modules api.

Motivation

• Remove dependencies of argocd in case of no-gitops.
• Provide new integrations to the users on stack update.

Proposal

• Test auth via dex with acd infra
• Argocd integration in new module api.

[vikramdevtron]

closed in #2293