v0.21.0

What's Changed

• fix: run git independently of a calling hook's repository by @bhanuprasad14 in adcbbc7
• init by @t in 887a558
• initial by @t in d0f8588
• fix(rust): apply path remap via a wrapper script, not self re-exec by @alecthomas in 91c36ae
• feat(cli): add --cache to inspect and clean the shared cache by @alecthomas in 4daf1f0
• feat(rust): share rust.exe binaries across worktrees by @alecthomas in 369a6d0
• feat(engine): add durable cross-worktree build cache by @alecthomas in 12bd09d