chore: update repository URL in package.json

Author: chenjiahan

README.md

@@ -128,7 +128,7 @@ new PreactRefreshPlugin({
 
 ## Example
 
-See [examples/preact-refresh](https://github.com/rspack-contrib/rspack-examples/blob/main/rspack/preact-refresh/rspack.config.js) for the full example.
+See [examples/preact-refresh](https://github.com/rstackjs/rspack-examples/blob/main/rspack/preact-refresh/rspack.config.js) for the full example.
 
 ## Credits
 

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@rspack/plugin-preact-refresh",
   "version": "1.1.4",
-  "repository": "https://github.com/rspack-contrib/rspack-plugin-preact-refresh",
+  "repository": "https://github.com/rstackjs/rspack-plugin-preact-refresh",
   "license": "MIT",
   "description": "Preact refresh plugin for Rspack",
   "type": "module",