v0.15.2

What's Changed

• update mise veresions by @coffee-cup in https://github.com/railwayapp/railpack/pull/389
• build mise image faster by @coffee-cup in https://github.com/railwayapp/railpack/pull/390
• release build mise for now by @coffee-cup in https://github.com/railwayapp/railpack/pull/391
• install mise from script by @coffee-cup in https://github.com/railwayapp/railpack/pull/392
• fix builder mise location by @coffee-cup in https://github.com/railwayapp/railpack/pull/393

Full Changelog: https://github.com/railwayapp/railpack/compare/v0.15.1...v0.15.2