Move @protobuf-ts/plugin to dev dependencies

package.json

@@ -45,12 +45,12 @@
     "@azure/abort-controller": "^1.1.0",
     "@azure/ms-rest-js": "^2.6.0",
     "@azure/storage-blob": "^12.13.0",
-    "@protobuf-ts/plugin": "^2.9.4",
     "semver": "^6.3.1"
   },
   "devDependencies": {
     "@types/node": "^22.13.9",
     "@types/semver": "^6.0.0",
+    "@protobuf-ts/plugin": "^2.9.4",
     "typescript": "^5.2.2"
   }
-}
+}