chore(grafana/datasource): Change the DNS name for influxdb

Signed-off-by: Jeremy MAURO <jeremy.mauro@gmail.com>

grafana/provisioning/datasources/datasource.yaml

@@ -5,6 +5,7 @@ datasources:
   - name: "InfluxDB-speedtest"
     type: "influxdb"
     access: proxy
-    url: http://influxdb:8086
+    url: http://speedtest:8086
     database: speedtest
     version: 1
+    readOnly: false