feat: cert-manager initial promotion to integrated

General MR

Summary

Code changes for promotion to integrated

https://repo1.dso.mil/big-bang/product/maintained/cert-manager/-/merge_requests/63

Relevant logs/screenshots

n/a

Linked Issue

https://repo1.dso.mil/big-bang/product/maintained/cert-manager/-/work_items/45

Upgrade Notices

Cert manager is now an integrated package. You can enable it with:

certManager:
  enabled: true