Update lower requirement

Co-authored-by: Romain Tartière <romain@blogreen.org>

Author: LukasAud

metadata.json

@@ -10,7 +10,7 @@
   "dependencies": [
     {
       "name": "puppetlabs/stdlib",
-      "version_requirement": ">= 4.13.1 < 10.0.0"
+      "version_requirement": ">= 9.0.0 < 10.0.0"
     }
   ],
   "operatingsystem_support": [