Merge pull request voxpupuli#1036 from voxpupuli/puppet-systemd-9

puppet/systemd: allow 8.x

Author: wyardley

metadata.json

@@ -67,7 +67,7 @@
     },
     {
       "name": "puppet/systemd",
-      "version_requirement": ">= 6.0.0 < 8.0.0"
+      "version_requirement": ">= 6.0.0 < 9.0.0"
     }
   ],
   "tags": [