Fix Haiku build by updating tempfile to 3.7.1

Stebalien/tempfile#246

Author: asomers

Cargo.toml

@@ -80,9 +80,7 @@ assert-impl = "0.1"
 lazy_static = "1.4"
 parking_lot = "0.12"
 rand = "0.8"
-# tempfile 3.7.0 doesn't build on Haiku
-# https://github.com/Stebalien/tempfile/issues/246
-tempfile = ">=3.3.0, < 3.7.0"
+tempfile = "3.7.1"
 semver = "1.0.7"
 
 [target.'cfg(any(target_os = "android", target_os = "linux"))'.dev-dependencies]