init: Turn size into a single value.

The `size` hash could only ever have the `max` key so it makes more
sense to have this as a plain value.

This also upgrades the dependency on stdlib to 4.6.0 since we're using
the new `validate_integer` function.

1 files changed, 1 insertions, 1 deletions

diff --git a/metadata.json b/metadata.json
index 8e68403..6bb45fa 100644
--- a/metadata.json
+++ b/metadata.json
@@ -35,7 +35,7 @@
     }
   ],
   "dependencies": [
-    {"name":"puppetlabs/stdlib","version_requirement":">= 4.5.0 < 5.0.0"},
+    {"name":"puppetlabs/stdlib","version_requirement":">= 4.6.0 < 5.0.0"},
     {"name":"puppetlabs/apt","version_requirement":">= 2.0.0 < 3.0.0"}
   ]
 }