Allow puppetlabs-stdlib 9.x

Author: smortex

metadata.json

@@ -103,7 +103,7 @@
     },
     {
       "name": "puppetlabs/stdlib",
-      "version_requirement": ">= 4.25.0 < 9.0.0"
+      "version_requirement": ">= 4.25.0 < 10.0.0"
     }
   ]
 }