Use string interpolation for types.rs generation
https://gitlab.com/nomadic-labs/michelson-polyrun/-/blob/master/lib/rust_backend.ml#L141
This should use string interpolation instead of directly formatting.
https://gitlab.com/nomadic-labs/michelson-polyrun/-/blob/master/lib/rust_backend.ml#L141
This should use string interpolation instead of directly formatting.