allow puppet/extlib 7.x

Author: jhoblitt

metadata.json

@@ -25,7 +25,7 @@
     },
     {
       "name": "puppet/extlib",
-      "version_requirement": ">= 3.0.0 < 7.0.0"
+      "version_requirement": ">= 3.0.0 < 8.0.0"
     },
     {
       "name": "puppet/systemd",