Introduce `O(n)` canonicalization algorithm #6476

Job	Run time
Check no_std	20s
Build and test (stable, true, --no-default-features --features miniscript/no-std)	1m 38s
Check WASM	27s
Build and test (stable, true, --all-features)	4m 2s
Build & Test Examples (example_cli)	15s
Rust fmt	6s
Build and test (1.63.0, --no-default-features --features miniscript/no-std)	2m 13s
Build & Test Examples (example_bitcoind_rpc_polling)	24s
prepare	4s
Build and test (1.63.0, --all-features)	5m 14s
Build & Test Examples (example_electrum)	42s
Build & Test Examples (example_esplora)	1m 4s
Build & Test Examples (example_wallet_electrum)	50s
Build & Test Examples (example_wallet_esplora_async)	50s
Build & Test Examples (example_wallet_esplora_blocking)	57s
Build & Test Examples (example_wallet_rpc)	36s
clippy_check	26s
	20m 8s

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