feat: add libp2p tracing metrics

[SgtPooki]

we need to encapsulate the libp2p metrics somehow into metrics we can expose via server-timing headers. see #164

See:

• feat: add traceFunction call to metrics libp2p/js-libp2p#2898
• @libp2p/opentelemetry-metrics - feat: add OpenTelemetry metrics implementation libp2p/js-libp2p#2899