Mark compatible with theforeman/pulpcore 9.x

This new major version dropped Pulpcore < 3.39, but didn't change the
API so both versions are compatible.

Author: ekohl

metadata.json

@@ -38,7 +38,7 @@
     },
     {
       "name": "theforeman/pulpcore",
-      "version_requirement": ">= 8.5.0 < 9.0.0"
+      "version_requirement": ">= 8.5.0 < 10.0.0"
     }
   ],
   "requirements": [