Update serde-qs

Author: rusty

Cargo.toml

@@ -45,7 +45,7 @@ serde_json = "1.0.51"
 serde = { version = "1.0.106", features = ["derive"] }
 serde_urlencoded = "0.7.0"
 rand = "0.7.3"
-serde_qs = "0.7.0"
+serde_qs = "0.8.3"
 base64 = "0.13.0"
 
 [dev-dependencies]