chore(deps): update grafana/tempo docker tag to v2.7.0

Author: renovate[bot]

compose.observability.yaml

@@ -38,7 +38,7 @@ services:
       timeout: 5s
       retries: 3
   tempo:
-    image: grafana/tempo:2.6.1
+    image: grafana/tempo:2.7.0
     command: ["-config.file=/etc/tempo.yaml"]
     volumes:
       - ./configuration/tempo.yaml:/etc/tempo.yaml