fix conflict between mounting a file and mounting a folder (#7497)

* fix conflict between dashboardProviders mounting a file and sidecar mounting a folder, so one can use both mechanisms in harmony

Signed-off-by: Hanjo Meinhardt <hanjo@bunix.de>

* bump the chart version

Signed-off-by: Hanjo Meinhardt <hanjo@bunix.de>

stable/grafana/Chart.yaml

@@ -1,5 +1,5 @@
 name: grafana
-version: 1.14.2
+version: 1.14.3
 appVersion: 5.2.3
 kubeVersion: "^1.8.0-0"
 description: The leading tool for querying and visualizing time series and metrics.

stable/grafana/templates/deployment.yaml

@@ -134,7 +134,8 @@ spec:
             - name: sc-dashboard-volume
               mountPath: {{ .Values.sidecar.dashboards.folder | quote }}
             - name: sc-dashboard-provider
-              mountPath: "/etc/grafana/provisioning/dashboards"
+              mountPath: "/etc/grafana/provisioning/dashboards/sc-dashboardproviders.yaml"
+              subPath: provider.yaml
 {{- end}}
 {{- if .Values.sidecar.datasources.enabled }}
             - name: sc-datasources-volume
@@ -271,4 +272,3 @@ spec:
           secret:
             secretName: {{ .secretName }}
       {{- end }}
-