[prometheus-pgbouncer-exporter] bump to 0.8.0 (#4427)

* bump to 0.8.0

Signed-off-by: drfaust92 <ilia.lazebnik@gmail.com>

* Make corrections in README

Signed-off-by: zeritti <47476160+zeritti@users.noreply.github.com>

---------

Signed-off-by: drfaust92 <ilia.lazebnik@gmail.com>
Signed-off-by: zeritti <47476160+zeritti@users.noreply.github.com>
Co-authored-by: zeritti <47476160+zeritti@users.noreply.github.com>

charts/prometheus-pgbouncer-exporter/Chart.yaml

@@ -1,8 +1,8 @@
 apiVersion: v2
-appVersion: "v0.7.0"
+appVersion: "v0.8.0"
 description: A Helm chart for prometheus pgbouncer-exporter
 name: prometheus-pgbouncer-exporter
-version: 0.2.0
+version: 0.3.0
 home: https://github.com/prometheus-community/pgbouncer_exporter
 sources:
   - https://github.com/prometheus-community/pgbouncer_exporter

charts/prometheus-pgbouncer-exporter/README.md

@@ -1,4 +1,4 @@
-# Prometheus Postgres Exporter
+# Prometheus PgBouncer Exporter
 
 Prometheus exporter for [PgBouncer](https://www.pgbouncer.org/) server metrics.
 
@@ -10,14 +10,14 @@ This chart bootstraps a prometheus [pgbouncer exporter](https://github.com/prome
 - Helm 3+
 
 ## Add Helm Chart Repository
-
+<!-- textlint-disable terminology -->
 ```console
 helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
 helm repo update
 ```
 
-_See [`helm repo`](https://helm.sh/docs/helm/helm_repo/) for command documentation._
-
+_See [helm repo](https://helm.sh/docs/helm/helm_repo/) for command documentation._
+<!-- textlint-enable -->
 ## Install Chart
 
 ```console
@@ -38,6 +38,14 @@ This removes all the Kubernetes components associated with the chart and deletes
 
 _See [helm uninstall](https://helm.sh/docs/helm/helm_uninstall/) for command documentation._
 
+## Upgrading Chart
+
+```console
+helm upgrade [RELEASE_NAME] prometheus-community/prometheus-pgbouncer-exporter --install
+```
+
+_See [helm upgrade](https://helm.sh/docs/helm/helm_upgrade/) for command documentation._
+
 ## Configuring
 
 See [Customizing the Chart Before Installing](https://helm.sh/docs/intro/using_helm/#customizing-the-chart-before-installing). To see all configurable options with detailed comments, visit the chart's [values.yaml](./values.yaml), or run these configuration commands: