Helidon Metrics Trace Examplar Support

<!-- https://jarcasting.com/artifacts/io.helidon.metrics/helidon-metrics-trace-exemplar/ -->
<dependency>
    <groupId>io.helidon.metrics</groupId>
    <artifactId>helidon-metrics-trace-exemplar</artifactId>
    <version>3.0.0-M2</version>
</dependency>

// https://jarcasting.com/artifacts/io.helidon.metrics/helidon-metrics-trace-exemplar/
implementation 'io.helidon.metrics:helidon-metrics-trace-exemplar:3.0.0-M2'

// https://jarcasting.com/artifacts/io.helidon.metrics/helidon-metrics-trace-exemplar/
implementation ("io.helidon.metrics:helidon-metrics-trace-exemplar:3.0.0-M2")

'io.helidon.metrics:helidon-metrics-trace-exemplar:jar:3.0.0-M2'

<dependency org="io.helidon.metrics" name="helidon-metrics-trace-exemplar" rev="3.0.0-M2">
  <artifact name="helidon-metrics-trace-exemplar" type="jar" />
</dependency>

@Grapes(
@Grab(group='io.helidon.metrics', module='helidon-metrics-trace-exemplar', version='3.0.0-M2')
)

libraryDependencies += "io.helidon.metrics" % "helidon-metrics-trace-exemplar" % "3.0.0-M2"

[io.helidon.metrics/helidon-metrics-trace-exemplar "3.0.0-M2"]