fix(chain,wallet): Provide unconfirmed spends to chain src sync request #289

Job	Run time
prepare	5s
Check no_std	15s
Check WASM	30s
Build & Test Examples (example_cli)	15s
Build and test (1.83.0, true, --no-default-features --features miniscript/no-std)	20s
Build & Test Examples (example_bitcoind_rpc_polling)	35s
clippy_check	24s
Build and test (1.83.0, true, --all-features)	35s
Rust fmt	15s
Build & Test Examples (example_electrum)	49s
Build and test (1.63.0, --no-default-features --features miniscript/no-std)	23s
Build & Test Examples (example_esplora)	54s
Build and test (1.63.0, --all-features)	23s
Build & Test Examples (example_wallet_electrum)	50s
Build & Test Examples (example_wallet_esplora_async)	1m 0s
Build & Test Examples (example_wallet_esplora_blocking)	53s
Build & Test Examples (example_wallet_rpc)	34s
	9m 0s

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