v12.7

Add new labels and update multiple app recipes

Added new labels: appleprovideoformats, basecamp3, redshiftlite, warp, and updated Labels.txt accordingly. Improved and fixed download/version logic for several apps including Ableton Live 12, Adobe Creative Cloud Desktop, Aftermath, Cyberduck, DisplayLink Manager, Fellow, OBS, OBSBOT Center, Redshift, Remote Desktop Manager, SnapGene, Vivaldi, and Webex. Enhanced version comparison logic, updated contributors in README, and removed CONTRIBUTING.md.