Update prom/prometheus Docker tag to v2.46.0 (open-telemetry#24546)

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This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| prom/prometheus | minor | `v2.45.0` -> `v2.46.0` |

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examples/couchbase/docker-compose.yaml

@@ -17,7 +17,7 @@ services:
  depends_on:
  - couchbase
  prometheus:
- image: prom/prometheus:v2.45.0
+ image: prom/prometheus:v2.46.0
  volumes:
  - ./prometheus-config.yaml:/etc/prometheus/prometheus.yml
  ports: