add pgxgen configuration file schema (SchemaStore#5303)

Author: sxwebdev

src/api/json/catalog.json

@@ -9241,6 +9241,12 @@
       "description": "Bento stream configuration file",
       "fileMatch": ["bento.json", "bento.yml", "bento.yaml"],
       "url": "https://raw.githubusercontent.com/warpstreamlabs/bento/refs/heads/main/resources/schemastore/bento.json"
+    },
+    {
+      "name": "pgxgen",
+      "description": "pgxgen configuration file",
+      "fileMatch": ["pgxgen.yml", "pgxgen.yaml"],
+      "url": "https://raw.githubusercontent.com/tkcrm/pgxgen/refs/heads/master/schemas/pgxgen-schema.json"
     }
   ]
 }