[prometheus-mongodb-exporter] deprecate (#23699)

Signed-off-by: Naseem <naseem@transit.app>

stable/prometheus-mongodb-exporter/Chart.yaml

@@ -1,16 +1,16 @@
 apiVersion: v1
 appVersion: "v0.10.0"
-description: A Prometheus exporter for MongoDB metrics
+# The prometheus-mongodb-exporter chart is deprecated and no longer maintained. For details deprecation,
+# including how to un-deprecate a chart see the PROCESSES.md file.
+deprecated: true
+description: DEPRECATED A Prometheus exporter for MongoDB metrics
 home: https://github.com/percona/mongodb_exporter
 keywords:
 - exporter
 - metrics
 - mongodb
 - prometheus
-maintainers:
-- email: ssheehy@firescope.com
-  name: steven-sheehy
 name: prometheus-mongodb-exporter
 sources:
 - https://github.com/percona/mongodb_exporter
-version: 2.8.0
+version: 2.8.1

stable/prometheus-mongodb-exporter/README.md

@@ -1,5 +1,7 @@
 # Prometheus MongoDB Exporter
 
+DEPRECATED and moved to <https://github.com/prometheus-community/helm-charts>
+
 Installs the [MongoDB Exporter](https://github.com/percona/mongodb_exporter) for [Prometheus](https://prometheus.io/). The
 MongoDB Exporter collects and exports oplog, replica set, server status, sharding and storage engine metrics.
 

stable/prometheus-mongodb-exporter/templates/NOTES.txt

@@ -1,3 +1,5 @@
+DEPRECATED and moved to <https://github.com/prometheus-community/helm-charts>
+
 Verify the application is working by running these commands:
 {{if contains "NodePort" .Values.service.type }}
   NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")