chore(deps): update rsbuild (#13406)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

packages/vant-cli/package.json

@@ -33,10 +33,10 @@
   "dependencies": {
     "@babel/core": "^7.26.10",
     "@babel/preset-typescript": "^7.27.0",
-    "@rsbuild/core": "^1.1.13",
+    "@rsbuild/core": "^1.3.5",
     "@rsbuild/plugin-babel": "^1.0.5",
-    "@rsbuild/plugin-less": "^1.1.1",
-    "@rsbuild/plugin-sass": "^1.1.2",
+    "@rsbuild/plugin-less": "^1.2.2",
+    "@rsbuild/plugin-sass": "^1.3.1",
     "@rsbuild/plugin-vue": "^1.0.7",
     "@rsbuild/plugin-vue-jsx": "^1.1.0",
     "@vant/eslint-config": "workspace:^",