[message-buffer] Fix setup message buffer command (#828)

pythnet/message_buffer/package.json

@@ -2,7 +2,7 @@
   "scripts": {
     "lint:fix": "prettier */*.js \"*/**/*{.js,.ts}\" -w",
     "lint": "prettier */*.js \"*/**/*{.js,.ts}\" --check",
-    "init-buffer": "yarn ts-node scripts/initialize-buffer.ts"
+    "init-buffer": "yarn ts-node scripts/setup_message_buffer.ts"
   },
   "dependencies": {
     "@coral-xyz/anchor": "^0.27.0",