crc32: add avx512 implementation

[folkertdev]

Testing happens with miri, because the CI machines don't support avx512 of course.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

Flag	Coverage Δ
fuzz-compress	40.52% <0.00%> (ø)
fuzz-decompress	30.57% <100.00%> (-0.18%)	⬇️
test-aarch64-apple-darwin	92.08% <ø> (-1.49%)	⬇️
test-aarch64-unknown-linux-gnu	89.72% <ø> (-0.06%)	⬇️
test-i686-unknown-linux-gnu	89.51% <ø> (-0.02%)	⬇️
test-x86_64-apple-darwin	90.60% <100.00%> (-0.94%)	⬇️
test-x86_64-unknown-linux-gnu	92.45% <100.00%> (-0.97%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
zlib-rs/src/crc32.rs	94.11% <ø> (ø)
zlib-rs/src/crc32/pclmulqdq.rs	100.00% <100.00%> (ø)

... and 3 files with indirect coverage changes

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.