Update parity-scale-codec to prepare for breaking rustc release (#6746)

This updates parity-scale-codec{-derive} to prepare for a rustc release
that would otherwise break the derive implementation:
https://github.com/rust-lang/rust/pull/73084

substrate/bin/node-template/pallets/template/Cargo.toml

@@ -12,7 +12,7 @@ description = "FRAME pallet template for defining custom runtime logic."
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
 
 [dependencies.frame-support]
 default-features = false