Merge bitcoindevkit/bdk#1623: fix!(wallet): `ChangeSet` should not be… #13

Job	Run time
Build and test (stable, true, --no-default-features)	4m 29s
Build and test (stable, true, --all-features)	3m 59s
Build & Test Examples (example_cli)	2m 45s
Build & Test Examples (example_bitcoind_rpc_polling)	50s
Build and test (1.63.0, --no-default-features)	6m 21s
Build and test (1.63.0, --all-features)	5m 51s
Build & Test Examples (example_electrum)	55s
Build & Test Examples (example_esplora)	53s
Build & Test Examples (example_wallet_electrum)	48s
Check no_std	2m 51s
Build & Test Examples (example_wallet_esplora_async)	46s
Build & Test Examples (example_wallet_esplora_blocking)	48s
Rust fmt	6s
Build & Test Examples (example_wallet_rpc)	25s
prepare	4s
Check WASM	3m 10s
clippy_check	3m 36s
	38m 37s

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