6.0.0-alpha.6

What's Changed

• 🚨 v6: Turn clang-tidy on by @kammce in #123
• 🐛 v6: Fix hal::bit_limits for signed fields by @kammce in #124
• ✨ v6: Add hal::i2c_bus_slack and hal::i2c_transaction_clocks by @kammce in #121
• 🐛 v6: Stop hal::cycles_per overflowing, and round it up by @kammce in #122
• 🐛 v6: Count hal::future_deadline in exact ticks by @kammce in #119
• ✨ (minor) v6: Add hal::busy_scope by @kammce in #120

Full Changelog: 6.0.0-alpha.5...6.0.0-alpha.6