[Epic: nwaku] Telemetry: fleet logging

[chair28980]

Tasks

• chore: logging received message info via onValidated observer #2973
• chore: set msg_hash logs to notice level #2737
• feat: Nwaku Sync #2403 ( this add logs to track sync operations )
• chore: log enhancement for message reliability analysis #2640
• chore: print WakuMessageHash as hex strings #2969
• chore: lightpush better feedback if lightpush service node without peers #2951

[Ivansete-status]

Evidence of the epic completion, I'm adding some screenshots obtained from Kibana