fix: update peer dependency for @rspack/core v2 (#575)

Author: chenjiahan

package-lock.json

@@ -83,7 +83,7 @@
     "webpack": "^5.92.1"
   },
   "peerDependencies": {
-    "@rspack/core": "0.x || 1.x",
+    "@rspack/core": "0.x || ^1.0.0 || ^2.0.0-0",
     "less": "^3.5.0 || ^4.0.0",
     "webpack": "^5.0.0"
   },