chore: update vendored C core #2030

Job	Run time
Build wheels on Linux (x86_64)	22m 24s
Build wheels on Linux (aarch64/manylinux)	11m 45s
Build wheels on macOS (arm64)	10m 43s
Build with sanitizers for debugging purposes	4m 16s
Build wheels on Windows (x64)	25m 42s
Build wheels on macOS (x86_64)	17m 52s
Build wheels on Linux (aarch64/musllinux)	8m 42s
Build sdist and test extra dependencies	3m 4s
Build wheels for WebAssembly	1m 30s
Build wheels on Windows (ARM64)	27m 5s
Build wheels on Windows (Win32)	13m 37s
	2h 26m 40s

Provide feedback