fix: merge skip_one API and fix utf8_lossy surrogate backtrack #742

Job	Run time
fuzz	1m 55s
Format check	27s
Rust nightly (ubuntu-24.04-arm)	2m 11s
Rust stable (ubuntu-24.04-arm)	2m 8s
Rust stable (Windows)	4m 17s
Miri	1m 30s
Rust stable (ubuntu-latest)	1m 45s
test-stable-wasm	6m 54s
Sanitize address,leak feature arbitrary_precision	1m 46s
Rust nightly (macos-latest)	2m 34s
Rust nightly (ubuntu-latest)	1m 45s
Sanitize address,leak feature	1m 49s
Rust stable (macos-latest)	1m 56s
Sanitize address,leak feature utf8_lossy	1m 52s
Sanitize address,leak feature sort_keys	1m 52s
Sanitize address,leak feature non_trailing_zero	1m 51s
	36m 32s

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