Fix cargo bench on Windows, where pprof is not a accessible crate

Author: malkia

opentelemetry-sdk/benches/log_exporter.rs

@@ -24,6 +24,7 @@ use opentelemetry_sdk::export::logs::LogBatch;
 use opentelemetry_sdk::logs::LogProcessor;
 use opentelemetry_sdk::logs::LogRecord;
 use opentelemetry_sdk::logs::LoggerProvider;
+#[cfg(not(target_os = "windows"))]
 use pprof::criterion::{Output, PProfProfiler};
 use std::fmt::Debug;
 

opentelemetry-sdk/benches/metrics_counter.rs

@@ -19,6 +19,7 @@ use opentelemetry::{
     KeyValue,
 };
 use opentelemetry_sdk::metrics::{ManualReader, SdkMeterProvider};
+#[cfg(not(target_os = "windows"))]
 use pprof::criterion::{Output, PProfProfiler};
 use rand::{
     rngs::{self},