v2.0.0 stable

This version brings performance to the next level:

• iwm/iwx: Add support for 802.11AC
• iwm/iwx: Add support for VHT160 (160MHz)
• Add support for LDPC and STBC
• Improve RA rate scaling algorithm to support HT, VHT, and HE throughput
• AirportItlwm: Add support for macOS Monterey
• AirportItlwm: Add support for overriding Country Code by Airport (starting from macOS Mojave)

  Priority: User Override > Firmware LOC > Airport Override
  Adapters that don't provide Country Codes will now accept them from airportd

• AirportItlwm: Fix DHCP auto-renewal and key update issues causing periodic disconnections
• Update PHY context when MIMO is disabled/unsupported to fix issues on single antenna cards
• iwn: Do not add rxon ht flags on initialization (#606 Credit @pigworlds)

Full changelog: v1.3.0...v2.0.0