Conflicts:
- `.github/workflows/build-nightly.yml`:
Upstream modified this file close to a line modified by glitch-soc to
disable the ARMv64 builder (as glitch-soc doesn't have one).
Ported upstream's changes.
- `.github/workflows/build-releases.yml`:
Upstream modified this file close to lines changed by glitch-soc to
change the Docker image repositories used (only ghcr, and based on the
organization's name).
Ported upstream's changes.
dfc05ec8df