Michael Catanzaro created an issue #427:
I guess this is a follow-up to #425. I've never seen this sort of CI failure before:
https://gitlab.gnome.org/GNOME/epiphany/-/jobs/900979
| Job failed: InternalError: Command "flatpak" "build-commit-from" "--timestamp=NOW" "--no-update-summary" "--untrusted" "--force" "--disable-fsync" "--gpg-homedir=/srv/gnome-build-meta/gnupg" "--gpg-sign=6A7C5D4482170E3D" "--src-repo=/srv/gnome-build-meta/public_html/build-repo/7563/upload" "--src-ref=9154aa1bf1b2ff6bf528fbf13aee72df5176fa1b6d8eddb66e41a2157f0a3f7d" "/srv/gnome-build-meta/public_html/build-repo/7563" "runtime/org.gnome.Epiphany.Devel.Debug/x86_64/master" exited unsuccesfully: error: Unable to lookup key ID 6A7C5D4482170E3D: GPGME: Unsupported protocol