github: debug test restart of runner-provisioner.service

Signed-off-by: Simon Deziel <simon.deziel@canonical.com>

.github/workflows/tests.yml

@@ -156,6 +156,7 @@ jobs:
       - name: Remove needrestart
         run: |
           set -eux
+          sudo systemctl restart runner-provisioner.service
           # XXX: needrestart seems to restart walinuxagent.service which causes the job to fail
           #  Running kernel seems to be up-to-date.
           #