Documentation mentions deprecated `MicrometerTracingAdapter`

[michaldo]

Documentation states:

To enable the integration, apply the following configuration to LettuceClientConfiguration

...
return ClientResources.builder()
              .tracing(new MicrometerTracingAdapter(observationRegistry, "my-redis-cache"))
              .build();

But

1. MicrometerTracingAdapter is deprecated since 3.4
2. There is autoconfiguration LettuceMetricsAutoConfiguration

I feel the documentation is outdated or at least not enough exhaustive

[mp911de]

It makes sense to update our documentation as the documentation bits show still the deprecated MicrometerTracingAdapter. Instead, they should refer to MicrometerTracing. I filed spring-projects/spring-boot#46456 asking to use MicrometerTracing instead of MicrometerCommandLatencyRecorder when Micrometer Tracing is available.