v2.1.2

• 🔨 fix macos build
• 🔧 improve pivotB() & pivotHL()
• ⚡ improve environment variables & build flags
• 🧺 consolidate Ordered types
• 💡 sort by length with generics
• 💡 sort Float slices with generics
• 🧪 also test & benchmark slices.Sort*()
• 💡 sort Integer slices with generics
• 🆙 use sixb/v2 and bump dependencies

Full Changelog: v2.1.1...v2.1.2