v0.4.0

What's Changed

• feat(zb_io): leave installed dependencies alone on install by @cachebag in #419
• chore: point everything at the zerobrewhq organisation by @cachebag in #420
• test: compare installed prefixes against homebrew by @cachebag in #424
• fix: link directories the way homebrew does by @cachebag in #425
• ci: time cold installs against homebrew and the last release by @cachebag in #426
• perf: relocate mach-o in-process by @cachebag in #427
• ci: comment the install timings on pull requests by @cachebag in #428
• perf: relocate once in the store by @cachebag in #429
• perf: reuse download connections by @cachebag in #430
• perf: index the formula api by @cachebag in #431
• perf: unpack bottles while downloading by @cachebag in #432
• docs: changelog fixes + contribution housekeeping by @cachebag in #433
• ci: time warm installs and heavy formulae by @cachebag in #434
• bench: refresh the formula index untimed by @cachebag in #435
• chore: prepare 0.4.0 release by @cachebag in #437

Full Changelog: v0.3.5...v0.4.0