Update test helper and all workflows to enble libsystemd build

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

.github/workflows/build.yml

@@ -45,7 +45,7 @@ jobs:
         run: |
           ./configure --prefix=/usr --exec-prefix= --sysconfdir=/etc --localstatedir=/var \
                       --enable-x11-common-plugin --enable-testserv-plugin --with-watchdog \
-                      --with-keventd \
+                      --with-keventd --with-libsystemd \
                       CFLAGS="-fsanitize=address -ggdb"
           make -j3 clean
           make -j3 V=1