`transactions` method should only return relevant transactions #6540

Job	Run time
prepare	2s
Check no_std	18s
Check WASM	35s
Build & Test Examples (example_cli)	16s
Build and test (1.83.0, true, --no-default-features --features miniscript/no-std)	1m 29s
clippy_check	31s
Build & Test Examples (example_bitcoind_rpc_polling)	34s
Build and test (1.83.0, true, --all-features)	4m 3s
Build & Test Examples (example_electrum)	50s
Rust fmt	13s
Build and test (1.63.0, --no-default-features --features miniscript/no-std)	1m 59s
Build & Test Examples (example_esplora)	1m 1s
Build and test (1.63.0, --all-features)	4m 40s
Build & Test Examples (example_wallet_electrum)	56s
Build & Test Examples (example_wallet_esplora_async)	56s
Build & Test Examples (example_wallet_esplora_blocking)	55s
Build & Test Examples (example_wallet_rpc)	29s
	19m 47s

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