feat(helm): Allow Pod priorityClassName to be configured

Part of stackabletech/issues#765

Author: NickLarsenNZ

deploy/helm/secret-operator/templates/daemonset.yaml

@@ -137,3 +137,6 @@ spec:
       tolerations:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- with .Values.priorityClassName }}
+      priorityClassName: {{ . }}
+      {{- end }}

deploy/helm/secret-operator/values.yaml

@@ -83,6 +83,8 @@ tolerations: []
 
 affinity: {}
 
+# priorityClassName: ...
+
 # When running on a non-default Kubernetes cluster domain, the cluster domain can be configured here.
 # See the https://docs.stackable.tech/home/stable/guides/kubernetes-cluster-domain guide for details.
 # kubernetesClusterDomain: my-cluster.local