Marlin 2.1.2.7

This is a minor release bringing over some changes from the latest development branch.

Example Configurations for many machines are posted at:
https://github.com/MarlinFirmware/Configurations/tree/release-2.1.2.7

Binaries of this release can be found at:
https://github.com/MarlinFirmware/MarlinBuilds/tree/release-2.1.2.7

Full Changelog: 2.1.2.6...2.1.2.7

Changes

• 🔨 Update build scripts (652a619)
• 🔨 Remove dead envs (cd4dcee)
• 🩹 Fix offset_xy build error (c67f981)
• 🐛 Fix TFT LVGL UI + Y-DIR conflict (#28291)