upgrade zlib-rs to version `0.4.2` #457

Job	Run time
Minimum Rust compiler (windows-2022)	4m 39s
Minimum Rust compiler	2m 25s
Rustfmt & Docs	19s
Minimum Rust compiler (macos-latest)	3m 18s
Minimum Rust compiler (ubuntu-latest)	3m 0s
Test (stable)	1m 31s
WebAssembly (wasm32-unknown-unknown)	17s
Test (beta)	1m 53s
WebAssembly (wasm32-wasip1)	15s
Test (nightly)	1m 35s
Test (macos)	1m 44s
Test (windows)	4m 11s
Test (mingw)	2m 11s
	27m 18s

Provide feedback