Fix cargo minimal-versions check (#1078)

Cargo.toml

@@ -21,7 +21,7 @@ async-compression = { version = "0.3.7", features = ["tokio"], optional = true }
 bytes = "1.0"
 futures-util = { version = "0.3", default-features = false, features = ["sink"] }
 futures-channel = { version = "0.3.17", features = ["sink"]}
-headers = "0.3"
+headers = "0.3.5"
 http = "0.2"
 hyper = { version = "0.14", features = ["stream", "server", "http1", "http2", "tcp", "client"] }
 log = "0.4"
@@ -31,10 +31,10 @@ multer = { version = "2.1.0", optional = true }
 scoped-tls = "1.0"
 serde = "1.0"
 serde_json = "1.0"
-serde_urlencoded = "0.7"
+serde_urlencoded = "0.7.1"
 tokio = { version = "1.0", features = ["fs", "sync", "time"] }
 tokio-stream = "0.1.1"
-tokio-util = { version = "0.7", features = ["io"] }
+tokio-util = { version = "0.7.1", features = ["io"] }
 tracing = { version = "0.1.21", default-features = false, features = ["log", "std"] }
 tower-service = "0.3"
 tokio-tungstenite = { version = "0.20", optional = true }