docs: fix Rsbuild HTML build failed (#12848)

Author: chenjiahan

package.json

@@ -27,5 +27,8 @@
     "husky": "^8.0.3",
     "nano-staged": "^0.8.0",
     "prettier": "^3.2.5"
+  },
+  "overrides": {
+    "esbuild": "^0.20.2"
   }
 }

packages/vant-cli/package.json

@@ -48,10 +48,10 @@
   "dependencies": {
     "@babel/core": "^7.24.5",
     "@babel/preset-typescript": "^7.24.1",
-    "@rsbuild/core": "0.6.8",
-    "@rsbuild/plugin-babel": "0.6.8",
-    "@rsbuild/plugin-vue": "0.6.8",
-    "@rsbuild/plugin-vue-jsx": "0.6.8",
+    "@rsbuild/core": "0.6.9",
+    "@rsbuild/plugin-babel": "0.6.9",
+    "@rsbuild/plugin-vue": "0.6.9",
+    "@rsbuild/plugin-vue-jsx": "0.6.9",
     "@vant/eslint-config": "workspace:^",
     "@vant/touch-emulator": "workspace:^",
     "@vitejs/plugin-vue": "^5.0.4",