Consistently use the latest itertools.

Author: jacobbramley

crates/intrinsic-test/Cargo.toml

@@ -19,4 +19,4 @@ log = "0.4.11"
 pretty_env_logger = "0.5.0"
 rayon = "1.5.0"
 diff = "0.1.12"
-itertools = "0.11.0"
+itertools = "0.14.0"