fix: update peerDependencies to support Rsbuild v2 (#50)

Author: chenjiahan

package.json

@@ -48,7 +48,7 @@
     "typescript": "^5.9.3"
   },
   "peerDependencies": {
-    "@rsbuild/core": "1.x"
+    "@rsbuild/core": "^1.0.0 || ^2.0.0-0"
   },
   "peerDependenciesMeta": {
     "@rsbuild/core": {