4.0.0

What's Changed

• ci: Add Windows runner by @kemzeb in #609
• ⚡ perf: cut startup and graph costs by @gaborbernat in #611
• ⚡ perf: cache rendered metadata by @gaborbernat in #612
• ⚡ perf: halve package size stat calls by @gaborbernat in #613
• ⚡ perf: cache frozen package specifiers by @gaborbernat in #614
• ⚡ perf: reuse computed package sizes by @gaborbernat in #615
• Replace prettier with mdformat and yamlfmt by @gaborbernat in #621
• ♻️ refactor(deps): move test extra to a dependency group by @gaborbernat in #622
• ✨ feat(rust): replace the Python engine with a Rust extension by @gaborbernat in #618
• 👷 ci(release): enable pypy wheels and disable fail-fast by @gaborbernat in #624
• 👷 ci: build dists on every check run by @gaborbernat in #625

Full Changelog: 3.1.1...4.0.0