donwgraded env_logger to satisfy buildbot

Author: Nicolas Vandamme

Cargo.toml

@@ -28,7 +28,7 @@ winapi = { version = "0.3", features = ["netioapi"] }
 nix = { version = "0.28", features = ["net"] }
 
 [dev-dependencies]
-env_logger = { version = "0.11.3", default-features = false, features = [
+env_logger = { version = "0.10.2", default-features = false, features = [
   "color",
   "humantime",
   "auto-color",