Bump DH compat to 10 to get systemd integration; patch patroni.service to start
only if /etc/patroni/config.yml exists; install service file directly from
extras/startup-scripts/ instead of via debian/.
postgres if autopkgtest is invoked as root.
* debian/tests/control: Run acceptance test first.
* debian/rules (override_dh_auto_test): Do not run testsuite during build.