Fixing typo in exporter-deployment.yaml PUBLISH_PORT

The patch fixes typo in PUBLISH_PORT and adds quotes for
PUBLISH_PORT because of the fact that it is string values
otherwise it leads to the error below:

error updating the release: rpc error: code = Unknown desc = release
rabbitmq failed: Deployment in version "v1" cannot be handled as
a Deployment: v1.Deployment.Spec: v1.DeploymentSpec.Template: v1.PodTemplateSpec.Spec:
v1.PodSpec.Containers: []v1.Container: v1.Container.Env: []v1.EnvVar: v1.EnvVar.Value:
ReadString: expects " or n, but found 9, error found in openstack#10 byte of ...|,"value":9095},{"nam|...,
bigger context ...|value":"no_sort"},{"name":"PUBLISH_PORT","value":9095},{"name":"LOG_LEVEL","value":"info"},{"name":"|...

Change-Id: I027c91ee48df8eb5b4b2bf3fd28036b8eca47238

rabbitmq/templates/monitoring/prometheus/exporter-deployment.yaml

@@ -63,7 +63,7 @@ spec:
  - name: RABBIT_CAPABILITIES
  value: {{ include "helm-toolkit.utils.joinListWithComma" $envAll.Values.conf.prometheus_exporter.capabilities | quote }}
  - name: PUBLISH_PORT
- value: {{ tuple "prometheus_rabbitmq_exporter" "internal" "metrics" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
+ value: {{ tuple "prometheus_rabbitmq_exporter" "internal" "metrics" . | include "helm-toolkit.endpoints.endpoint_port_lookup" | quote }}
  - name: LOG_LEVEL
  value: {{ $envAll.Values.conf.prometheus_exporter.log_level | quote }}
  - name: SKIPVERIFY