Allow stdlib 8.0.0

Author: smortex

metadata.json

@@ -68,7 +68,7 @@
   "dependencies": [
     {
       "name": "puppetlabs/stdlib",
-      "version_requirement": ">= 4.25.0 < 8.0.0"
+      "version_requirement": ">= 4.25.0 < 9.0.0"
     }
   ]
 }