Setup secure secrets to Azure pattern

```
- [ ] bug report -> please search issues before submitting
- [x] feature request
- [ ] documentation issue or request
- [ ] regression (a behavior that used to work and stopped in a new release)
```

[Secret Management - Argo CD - Declarative GitOps CD for Kubernetes (argo-cd.readthedocs.io)](https://argo-cd.readthedocs.io/en/stable/operator-manual/secret-management/)

Our AKS-PE repo is based upon GitOps bridge where ⁠[we need to light up](https://github.com/Azure-Samples/aks-platform-engineering/blob/c2b55f8831a5a086e5fb5e3f24e2ff9bc4a57cbb/charts/crossplane-azure-upbound/values.yaml#L57) a plugin integration similar to the AWS example ⁠[here](https://github.com/gitops-bridge-dev/gitops-bridge/tree/main/argocd/iac/terraform/examples/eks/external-secrets) and/or ⁠[here](https://github.com/gitops-bridge-dev/gitops-bridge/tree/main/argocd/iac/terraform/examples/eks/aws-secrets-manager).