fixed pymilvus at 2.3.7 (#17)

helpers/python.ts

@@ -54,6 +54,10 @@ const getAdditionalDependencies = (
         name: "llama-index-vector-stores-milvus",
         version: "^0.1.6",
       });
+      dependencies.push({
+        name: "pymilvus",
+        version: "2.3.7",
+      });
       break;
     }
   }