Version 2.6.7

This is a maintenance release with some notable enhancements. Details are below.
Thanks as always to the invaluable contributions of our awesome community.

Enhancements

• Support for optional comments in DHCP static Leases, see #969 thanks @fareg
• Sort DHCP static leases by IP (more human readable), thanks @fareg
• Add legacy 802.11a UI support. Resolves #983

Bug fixes

• Pass $upstreamServers to template, resolves #994 thanks @SephGER
• Fix for DHCP serving wrong subnet mask after update, resolves #1016 thanks @smurphy425

Other

• Update & instantiate System class with new RaspAP namespace
• Merged several Dependabot security related PRs

Translations

• Update fr_FR locale translations, thanks @yolateng0