Use stdlib 5.0.0 as minimum

Author: Phil Friderici

.fixtures.yml

@@ -8,6 +8,6 @@ fixtures:
       ref: '1.6.0'
     stdlib:
       repo: 'https://github.com/puppetlabs/puppetlabs-stdlib.git'
-      ref: '4.6.0'
+      ref: '5.0.0'
   symlinks:
     puppet: "#{source_dir}"

metadata.json

@@ -18,7 +18,7 @@
     },
     {
       "name": "puppetlabs/stdlib",
-      "version_requirement": ">= 4.6.0 < 6.0.0"
+      "version_requirement": ">= 5.0.0 < 6.0.0"
     }
   ],
   "operatingsystem_support": [