Handle raw capture output safely #220

Job	Run time
changes	5s
test	1m 22s
tooling	14s
flatpak-build	3m 0s
release-metadata	5s
live-ui-runtime-smoke	0s
flatpak-runtime-smoke	0s
headless-pipewire-runtime-smoke	0s
flatpak	4s
	4m 50s

Provide feedback