Allow puppetlabs/concat 6.x and puppet/extlib 4.x

Author: alexjfisher

metadata.json

@@ -17,15 +17,15 @@
   "dependencies": [
     {
       "name": "puppetlabs/concat",
-      "version_requirement": ">= 1.0.0 < 6.0.0"
+      "version_requirement": ">= 4.1.0 < 7.0.0"
     },
     {
       "name": "puppetlabs/stdlib",
       "version_requirement": ">= 4.18.0 < 7.0.0"
     },
     {
       "name": "puppet/extlib",
-      "version_requirement": ">= 3.0.0 < 4.0.0"
+      "version_requirement": ">= 3.0.0 < 5.0.0"
     }
   ],
   "requirements": [