chore(server): release version 0.2.1

Author: liutaigang

packages/server/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@jsonrpc-rx/server",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "author": "jsonrpc-rx",
   "description": "A tool library for RPC based on JSON-RPC 2.0 and Reactive Programming",
   "main": "./dist/index.cjs.js",
@@ -27,7 +27,7 @@
     "clean": "rimraf dist/ & rimraf node_modules/"
   },
   "dependencies": {
-    "@jsonrpc-rx/core": "0.2.0",
+    "@jsonrpc-rx/core": "^0.2.1",
     "flatted": "^3.2.9"
   },
   "devDependencies": {