Allow puppet-python 7.x

Author: smortex

metadata.json

@@ -72,7 +72,7 @@
     },
     {
       "name": "puppet/python",
-      "version_requirement": ">= 6.3.0 < 7.0.0"
+      "version_requirement": ">= 6.3.0 < 8.0.0"
     }
   ]
 }