Add IORuntimeMetrics

[iRevive]

This implementation utilizes typelevel/cats-effect#3317.

How to use:

object Main extends IOApp.Simple {
  def program(
    meterProvider: MeterProvider[IO],
    tracerProvider: TracerProvider[IO]
  ): IO[Unit] = ???
  
  def run: IO[Unit] =
    OtelJava.autoConfigured[IO]().use { otel4s =>
      implicit val mp: MeterProvider[IO] = otel4s.meterProvider
      IORuntimeMetrics
        .register[IO](runtime.metrics, IORuntimeMetrics.Config.default)
        .surround {
          program(otel4s.meterProvider, otel4s.tracerProvider)
        }
    }
}

A few things to discuss

1. The name org.typelevel.otel4s.instrumentation.ce.IORuntimeMetrics clashes with the cats.effect.unsafe.metrics.IORuntimeMetrics

2. Any alternatives to the org.typelevel.otel4s.instrumentation.ce package?

Perhaps org.typelevel.otel4s.instrumentation.catseffect fits better?

[iRevive]

The compiler can no longer lift an instance of ApplicativeError[Resource[F, *], Throwable]. I assume it's caused by:

• Implement a safer Resource.attempt which releases acquired resource(s) in case of error cats-effect#4128
• Removed implicit modifiers on deprecated instance to avoid unavoidable warnings cats-effect#4180

[iRevive]

@armanbilge wanna take a look?

[iRevive]

The config feels verbose. On the other hand, we can easily add support for new metrics (e.g., typelevel/cats-effect#4187) in a binary-compatible way.

[iRevive]

I tweaked the configuration definition, looks good so far.

Patiently waiting for CE 3.6.0 release now :)