Merge bitcoindevkit/bdk#1752: Remove serde json dependency from chain… #5

Job	Run time
Build and test (stable, true, --no-default-features --features miniscript/no-std)	2m 41s
Build and test (stable, true, --all-features)	4m 0s
Build & Test Examples (example_cli)	39s
Build and test (1.63.0, --no-default-features --features miniscript/no-std)	4m 44s
Build & Test Examples (example_bitcoind_rpc_polling)	1m 1s
Check no_std	40s
Check WASM	1m 2s
Build and test (1.63.0, --all-features)	6m 3s
Build & Test Examples (example_electrum)	56s
Build & Test Examples (example_esplora)	1m 12s
Rust fmt	16s
Build & Test Examples (example_wallet_electrum)	48s
prepare	4s
Build & Test Examples (example_wallet_esplora_async)	1m 0s
Build & Test Examples (example_wallet_esplora_blocking)	55s
Build & Test Examples (example_wallet_rpc)	38s
clippy_check	1m 33s
	28m 12s

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