Validate encoding of extrinsics passed to runtime (#6442)

* Validate encoding of extrinsics passed to runtime

* Bump codec version explicitly

Author: arkpar

Cargo.toml

@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.101", optional = true }
-codec = { package = "parity-scale-codec", version = "1.3.0", default-features = false }
+codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false }
 frame-support = { version = "2.0.0-rc3", default-features = false, path = "../support" }
 frame-system = { version = "2.0.0-rc3", default-features = false, path = "../system" }
 sp-core = { version = "2.0.0-rc3", default-features = false, path = "../../primitives/core" }