workflow: add systemd integration and check

Intergration of systemd is a feature that enables notification of
a running service to the service manager. The workflow now ensures
compilation with systemd and checks the binary has been built against
libsystemd.

.github/workflows/builds.yml

@@ -531,7 +531,7 @@ jobs:
           flags: suricata-verify
 
   fedora-36:
-    name: Fedora 36 (debug, clang, asan, wshadow, rust-strict)
+    name: Fedora 36 (debug, clang, asan, wshadow, rust-strict, systemd)
     runs-on: ubuntu-latest
     container: fedora:36
     needs: [prepare-deps, prepare-cbindgen]
@@ -578,6 +578,7 @@ jobs:
                 pkgconfig \
                 python3-yaml \
                 sudo \
+                systemd-devel \
                 which \
                 zlib-devel
       - uses: actions/checkout@v3.1.0
@@ -620,6 +621,8 @@ jobs:
       - run: make install
       - run: suricata-update -V
       - run: suricatasc -h
+      # Check compilation against systemd
+      - run: ldd src/suricata | grep libsystemd &> /dev/null
 
   fedora-35:
     name: Fedora 35 (debug, clang, asan, wshadow, rust-strict)