[feature request] Add support for .DisableHttpMetrics() in AspNetCore

[robertcoltheart]

Component

OpenTelemetry.Instrumentation.AspNetCore

Is your feature request related to a problem?

AspNetCore has added an opt-in method to disable metrics for endpoints here dotnet/aspnetcore#56039

This seems to be something Otel needs to handle.

What is the expected behavior?

Traces (at a minimum) should be excluded when an endpoint's metadata has this attribute.

Which alternative solutions or features have you considered?

For tracing, you can use the Filter option in AspNetCoreTraceInstrumentationOptions.

Additional context

No response