Experiment: the new parser based on `winnow` #696

Job	Run time
Benchmarks	7m 21s
Build (x86_64/linux)	1m 20s
Build (aarch64/macos)	1m 31s
Source code checks (stable)	16s
Check for unneeded dependencies	1m 3s
Build (aarch64/linux)	1m 50s
Source code checks (1.75.0)	20s
Build (wasm32/wasi-0.1)	1m 7s
Test (linux)	1m 5s
Build (x86_64/windows)	1m 56s
Test (macOS)	1m 0s
OS target tests (Fedora/latest)	22s
OS target tests (Debian/latest)	23s
OS target tests (Arch Linux/latest)	18s
	19m 52s

Provide feedback