upgrade to lambda_http v0.7.1 (#103)

Author: bnusunny

Cargo.lock

@@ -19,7 +19,7 @@ exclude = ["examples"]
 [dependencies]
 http = "0.2.4"
 lambda-extension = "0.7.0"
-lambda_http = "0.7.0"
+lambda_http = "0.7.1"
 reqwest = { version = "0.11", default-features = false, features = ["json"] }
 tokio = { version = "1.20.0", features = ["macros", "io-util", "sync", "rt-multi-thread", "time"] }
 tokio-retry = "0.3"