CI: add systemd-dev (#228)

Author: danirabbit

.github/workflows/main.yml

@@ -25,7 +25,7 @@ jobs:
     - name: Install Dependencies
       run: |
         apt update
-        apt install -y libaccountsservice-dev libdbus-1-dev libgranite-dev libgeoclue-2-dev libfwupd-dev libpackagekit-glib2-dev libgdk-pixbuf-2.0-dev libgexiv2-dev meson valac
+        apt install -y libaccountsservice-dev libdbus-1-dev libgranite-dev libgeoclue-2-dev libfwupd-dev libpackagekit-glib2-dev libgdk-pixbuf-2.0-dev libgexiv2-dev meson systemd-dev valac
     - name: Build
       env:
         DESTDIR: out