50137b0425refactor(wallet): rename get_balance() to balance() (Steve Myers) Pull request description: ### Description fixes #1221 ### Notes to the reviewers See discussion in #1221. ### Changelog notice Changed - Wallet::get_balance() renamed to Wallet::balance() ### Checklists #### All Submissions: * [x] I've signed all my commits * [x] I followed the [contribution guidelines](https://github.com/bitcoindevkit/bdk/blob/master/CONTRIBUTING.md) * [x] I ran `cargo fmt` and `cargo clippy` before committing ACKs for top commit: LagginTimes: ACK50137b0425oleonardolima: ACK50137b0425evanlinjin: ACK50137b0425Tree-SHA512: 20d188a32c79eca37b4f269e5bcdb8c2ecd595911558cb74812a37da13a4f39b603deed3bc11356aa6523b16417a2a025046b3dd4df5bd7247f39c29d7f48ac2