Update env_logger dev-dep to 0.10

Author: djc

Cargo.toml

@@ -67,7 +67,7 @@ serde_json = "1.0.0"
 
 # Examples
 tokio = { version = "1", features = ["rt-multi-thread", "macros", "sync", "net"] }
-env_logger = { version = "0.9", default-features = false }
+env_logger = { version = "0.10", default-features = false }
 tokio-rustls = "0.24"
 webpki-roots = "0.25"