Release template_v1.2.0

Added

• GitHub workflow to create draft release and add compiled binaries to it.

Changed

• Update to most recent Golioth Zephyr SDK release v0.8.0 which uses:
  • nRF Connect SDK v2.5.0(NCS)
  • Zephyr v3.5.0
• Upgrade golioth/golioth-zephyr-boards dependency to v1.0.1
• Dependencies use https instead of ssh GitHub URLs
• libostentus removed from code base and included as a Zephyr module

Fixed

• Fix build error when CONFIG_LIB_OSTENTUS=n on the aludel_mini_v1_sparkfun9160 board.