chore(dependencies): relax minimum tokio version to 1

Author: tottoto

Cargo.toml

@@ -26,7 +26,7 @@ futures-util = { version = "0.3", default-features = false }
 http = "1"
 http-body = "1"
 pin-project-lite = "0.2.4"
-tokio = { version = "1.13", features = ["sync"] }
+tokio = { version = "1", features = ["sync"] }
 
 # Optional