Support 32 digit trace ids in jaeger tracing exporter to be compatible with open telemetry trace context

[Jank1310]

Is your feature request related to a problem? Please describe.

Currently trace ids are truncated which prevents compatibility with open telemetry traceparents

Describe the solution you'd like

Use 32 digits for trace ids in jaeger exporter. (+ add an default enabled legacy mode)

Describe alternatives you've considered

Using the otel middleware, but upgrading multiple services would be easier with a moleculer release + setting an env var

Additional context

Trace context: https://www.w3.org/TR/trace-context/#trace-id
Jaeger FAQ: https://www.jaegertracing.io/docs/2.0/faq/

@icebob I can open a pr if you want