Update grafana/tempo:latest Docker digest to 512af54 (#73)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| grafana/tempo | digest | `e346967` -> `512af54` |

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### Configuration

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Reviewed-on: #73
Co-authored-by: Renovate Bot <renovate-bot@valverde.cloud>
Co-committed-by: Renovate Bot <renovate-bot@valverde.cloud>

compose.yml

@@ -48,7 +48,7 @@ services:
 
   tempo:
     <<: *service-base
-    image: grafana/tempo:latest@sha256:e34696716de3ad83643ddfe43eb494e04d763b4b57b3ed9288d49d4cf5256c67
+    image: grafana/tempo:latest@sha256:512af54a3195174b6d91953a78ae72d2c4dff015154bf4348765006257179f06
     command: [-config.file=/etc/tempo.yaml]
     volumes:
       - ./telemetry/tempo.yaml:/etc/tempo.yaml