bump to 0.16.0 (#5059)

Signed-off-by: drfaust92 <[email protected]>

Author: DrFaust92

charts/prometheus-nats-exporter/Chart.yaml

@@ -1,8 +1,8 @@
 apiVersion: v1
-appVersion: 0.15.0
+appVersion: 0.16.0
 description: A Helm chart for prometheus-nats-exporter
 name: prometheus-nats-exporter
-version: 2.17.0
+version: 2.18.0
 home: https://github.com/nats-io/prometheus-nats-exporter
 sources:
   - https://github.com/nats-io/prometheus-nats-exporter