Update crates/astria-bridge-contracts/src/lib.rs

Co-authored-by: Richard Janis Goldschmidt <github@aberrat.io>

Author: itamarreif

crates/astria-bridge-contracts/src/lib.rs

@@ -32,7 +32,7 @@ use ethers::{
         Log,
         H256,
     },
-    utils::hex::ToHexExt,
+    utils::hex::ToHexExt as _,
 };
 pub use generated::*;