deps: update criterion dependency to v0.4.0 (#5935)

cranelift/codegen/Cargo.toml

@@ -35,7 +35,7 @@ sha2 = { version = "0.10.2", optional = true }
 # accomodated in `tests`.
 
 [dev-dependencies]
-criterion = "0.3"
+criterion = { version = "0.4.0", features = ["html_reports"] }
 similar = "2.1.0"
 
 [build-dependencies]

cranelift/codegen/benches/x64-evex-encoding.rs

@@ -37,8 +37,6 @@ mod x86 {
     /// Using an inner module to feature-gate the benchmarks means that we must
     /// manually specify how to run the benchmarks (see `criterion_main!`).
     pub fn run_benchmarks() {
-        criterion::__warn_about_html_reports_feature();
-        criterion::__warn_about_cargo_bench_support_feature();
         benches();
         Criterion::default().configure_from_args().final_summary();
     }