charts/service-deployment add tolerations and topologySpreadConstraints

[ianarsenault]

This PR updates service-deployment helm chart to supprt

• topologySpreadConstraints - https://kubernetes.io/docs/concepts/scheduling-eviction/topology-spread-constraints/
• tolerations - https://kubernetes.io/docs/concepts/scheduling-eviction/taint-and-toleration/

Also updates the global labels to remove leading empty space.

Before

# Source: service-deployment/templates/hpa.yaml
apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
  name: sd
  labels:

    helm.sh/chart: service-deployment-0.20.0
    app.kubernetes.io/version: "0.20.0"
    app.kubernetes.io/managed-by: Helm
spec:

After

# Source: service-deployment/templates/hpa.yaml
apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
  name: sd
  labels:
    helm.sh/chart: service-deployment-0.20.0
    app.kubernetes.io/version: "0.20.0"
    app.kubernetes.io/managed-by: Helm

[jamesarems]

LGTM