d/patches: fix flatpak build-sign command
The current code errors out unless both GPG and ED25519 keys are specified. Make sure we allow using one signature type or the other.
🟡 v2023.5 entered Soft Feature Freeze, no additional features will be accepted • schedule
The current code errors out unless both GPG and ED25519 keys are specified. Make sure we allow using one signature type or the other.