Merge bitcoindevkit/bdk#1778: ci: apply `zizmor` security audit #6692

Job	Run time
prepare	4s
Check no_std	34s
Check WASM	57s
Build & Test (1.84.0, true, --no-default-features --features miniscript/no-std)	2m 11s
Build & Test Examples (example_cli)	30s
Build & Test (1.84.0, true, --all-features)	3m 46s
Build & Test Examples (example_bitcoind_rpc_polling)	38s
Rust clippy	1m 0s
Build & Test (1.63.0, --no-default-features --features miniscript/no-std)	3m 3s
Rust fmt	14s
Build & Test Examples (example_electrum)	58s
Build & Test (1.63.0, --all-features)	4m 9s
Build & Test Examples (example_esplora)	53s
Build & Test (1.75.0, --no-default-features --features miniscript/no-std)	2m 21s
Build & Test Examples (example_wallet_electrum)	54s
Build & Test (1.75.0, --all-features)	4m 5s
Build & Test Examples (example_wallet_esplora_async)	57s
Build & Test Examples (example_wallet_esplora_blocking)	52s
Build & Test Examples (example_wallet_rpc)	37s
	28m 43s

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