Merge bitcoindevkit/bdk#1752: Remove serde json dependency from chain… #1398

Job	Run time
Build & Test Examples (example_cli)	29s
Build and test (stable, true, --no-default-features --features miniscript/no-std)	2m 26s
Build & Test Examples (example_bitcoind_rpc_polling)	35s
Build and test (stable, true, --all-features)	4m 2s
Build & Test Examples (example_electrum)	49s
Build and test (1.63.0, --no-default-features --features miniscript/no-std)	3m 17s
Build & Test Examples (example_esplora)	50s
Build and test (1.63.0, --all-features)	5m 31s
Build & Test Examples (example_wallet_electrum)	49s
Build & Test Examples (example_wallet_esplora_async)	1m 1s
Check no_std	22s
Build & Test Examples (example_wallet_esplora_blocking)	52s
Build & Test Examples (example_wallet_rpc)	55s
Check WASM	54s
Rust fmt	6s
prepare	2s
clippy_check	48s
	23m 48s

Provide feedback