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/client/cli/Cargo.toml

@@ -16,7 +16,7 @@ derive_more = "0.99.2"
 env_logger = "0.7.0"
 log = "0.4.8"
 atty = "0.2.13"
-regex = "1.3.1"
+regex = "1.3.4"
 time = "0.1.42"
 ansi_term = "0.12.1"
 lazy_static = "1.4.0"