add inline_const feature to support old version of rust

crates/interpreter/src/lib.rs

@@ -3,6 +3,7 @@
 //! REVM Interpreter.
 #![cfg_attr(not(test), warn(unused_crate_dependencies))]
 #![cfg_attr(not(feature = "std"), no_std)]
+#![feature(inline_const)]
 
 #[cfg(not(feature = "std"))]
 extern crate alloc as std;