fix: fix ci with Address not found

[fenghaojiang]

Motivation

fix: fix ci with Address not found problem:

error[E0412]: cannot find type `Address` in this scope
   --> ethers-contract/src/base.rs:382:80
    |
382 |         assert_eq!(spender, "7a250d5630b4cf539739df2c5dacb4c659f2488d".parse::<Address>().unwrap());
    |                                                                                ^^^^^^^ not found in this scope

Solution

add ethers_core::types::Address to tests