Update grafana/tempo:latest Docker digest to cb09d25 (#54)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| grafana/tempo | digest | `2235d05` -> `cb09d25` |

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0MS4xNTkuMSIsInVwZGF0ZWRJblZlciI6IjQxLjE1OS4xIiwidGFyZ2V0QnJhbmNoIjoibmV4dCIsImxhYmVscyI6W119-->

Reviewed-on: #54
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@sha256:2235d05069fb69a38a5c281b056c6a630d956bbefb2acc88b900fe5862e1bf97
+    image: grafana/tempo:latest@sha256:cb09d2518204d0269db8a8fd1eb4655873a8392566fe35c10534ca53d09580e5
     command: [-config.file=/etc/tempo.yaml]
     volumes:
       - ./telemetry/tempo.yaml:/etc/tempo.yaml