Restart active OWE user services after upgrades (#888)

.github/workflows/test.yml

@@ -48,6 +48,7 @@ jobs:
             archlinux:base-devel bash -lc '
               set -euo pipefail
               pacman -Syu --noconfirm git jq python libarchive neovim tmux
+              python tests/owe-package-restart.py
               python tests/oma-service-removal.py
               python tests/upstream-watch.py
               bash tests/ipu7-install.sh