Add support for camptocamp/systemd 3.x.x

Author: Benjamin Delacour

metadata.json

@@ -10,7 +10,7 @@
   "dependencies": [
     {
       "name": "camptocamp/systemd",
-      "version_requirement": ">= 1.1.1 < 3.0.0"
+      "version_requirement": ">= 1.1.1 < 4.0.0"
     },
     {
       "name": "puppet/archive",