Update grafana/grafana:latest Docker digest to 60794dc (#15)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| grafana/grafana | digest | `5749a0e` -> `60794dc` |

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Reviewed-on: #15
Co-authored-by: Renovate Bot <renovate-bot@valverde.cloud>
Co-committed-by: Renovate Bot <renovate-bot@valverde.cloud>

compose.yml

@@ -65,7 +65,7 @@ services:
       - ./telemetry/prometheus.yaml:/etc/prometheus.yaml
 
   grafana:
-    image: grafana/grafana:latest@sha256:5749a0e982878aedaa2d320ed14d3bdce7a040a938f482258670009d419a597f
+    image: grafana/grafana:latest@sha256:60794dc17e6a58d28539cfd3dd496a7f2da62e13ff54a4055431385eec5d6639
     volumes:
       - ./telemetry/grafana-datasources.yaml:/etc/grafana/provisioning/datasources/datasources.yaml
     environment: