Switch criterion::black_box to std::hint::black_box (#43989)

GitOrigin-RevId: 880f30a7b0edbacb73550f2668e7130c0c5dc136

Author: goffrie

crates/packed_value/benches/packed_value.rs

@@ -1,9 +1,11 @@
 #![feature(try_blocks)]
 
-use std::collections::BTreeMap;
+use std::{
+    collections::BTreeMap,
+    hint::black_box,
+};
 
 use criterion::{
-    black_box,
     criterion_group,
     criterion_main,
     AxisScale,

crates/value/benches/base32.rs

@@ -1,5 +1,6 @@
+use std::hint::black_box;
+
 use criterion::{
-    black_box,
     criterion_group,
     criterion_main,
     Criterion,

crates/value/benches/document_id.rs

@@ -1,7 +1,9 @@
-use std::str::FromStr;
+use std::{
+    hint::black_box,
+    str::FromStr,
+};
 
 use criterion::{
-    black_box,
     criterion_group,
     criterion_main,
     Criterion,

crates/vector/benches/memory_index.rs

@@ -1,11 +1,13 @@
-use std::collections::BTreeMap;
+use std::{
+    collections::BTreeMap,
+    hint::black_box,
+};
 
 use common::types::{
     Timestamp,
     WriteTimestamp,
 };
 use criterion::{
-    black_box,
     criterion_group,
     criterion_main,
     Criterion,