[K8s Operator] Add service and deployment annotations to custom resource definition

[CarlosLanderas]

What this PR does / why we need it:

Allow the users to deploy healthchecks CRD with custom annotations for target service and deployment.

One clear use case is being able to configure an internal load balancer in Azure Kubernetes Service.

apiVersion: "aspnetcore.ui/v1"
kind: HealthCheck
metadata:
  name: healthchecks-ui
  namespace: lande
spec:
  name: ui-1
  servicesLabel: HealthChecks
  serviceType: LoadBalancer
  serviceAnnotations:
    - name: service.beta.kubernetes.io/azure-load-balancer-internal
      value: "true"
  deploymentAnnotations:
    - name: ServiceType
      value: AksInternalBalancer

Which issue(s) this PR fixes:

Please reference the issue this PR will close: #489

Does this PR introduce a user-facing change?: No