puppet/extlib: Allow 6.x

Author: bastelfreak

metadata.json

@@ -40,7 +40,7 @@
     },
     {
       "name": "puppet/extlib",
-      "version_requirement": ">= 3.0.0 < 6.0.0"
+      "version_requirement": ">= 3.0.0 < 7.0.0"
     },
     {
       "name": "richardc/datacat",