FIX: rollback to electron builder 25 #1666

Job	Run time
switch-repos (switch-repos, default)	7m 34s
upgrade-prep (upgrade-prep, default)	7m 1s
update-changes (update-changes, 243)	7m 7s
update-changes (update-changes, 242)	3m 44s
update-changes (update-changes, 235)	3m 1s
configure-updates (configure-updates, no-unattended-updates)	3m 13s
update-changes (update-changes, 232)	3m 12s
setup (setup, default)	6m 59s
update-package (update-package, default)	5m 18s
configure-updates (configure-updates, default)	3m 1s
restart-services (restart-services, default)	8m 52s
manage-service (manage-service, start-stop)	5m 30s
manage-service (manage-service, write-start)	7m 13s
manage-service (manage-service, start-multiple)	5m 26s
manage-service (manage-service, start)	5m 10s
ssv-key-generator (ssv-key-generator, default)	5m 50s
update-services (update-services, single-service)	5m 41s
update-services (update-services, default)	5m 53s
update-stereum (update-stereum, full)	8m 24s
update-stereum (update-stereum, default)	5m 52s
update-stereum (update-stereum, override)	7m 13s
	2h 1m 14s

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