puppetlabs/stdlib: Allow 8.x

Author: bastelfreak

metadata.json

@@ -22,7 +22,7 @@
     },
     {
       "name": "puppetlabs/stdlib",
-      "version_requirement": ">= 6.0.0 < 8.0.0"
+      "version_requirement": ">= 6.0.0 < 9.0.0"
     }
   ],
   "operatingsystem_support": [