message: docs: docsearch version v4
diff: @@ -24,7 +24,7 @@ export default {
  seed: 'ad6b5732c36321f2dafed737ac2da92f',
  },
  htmlMeta: {
  - 'docsearch:version': 'v3',
  + 'docsearch:version': 'v4',
  },
  locales: {
  'zh-CN': {
  @@ -47,7 +47,7 @@ export default {
  apiKey: '90067aecdaa2c85220e2783cd305caac',
  indexName: 'vant',
  searchParameters: {
  - facetFilters: ['lang:zh-CN', 'version:v3'],
  + facetFilters: ['lang:zh-CN', 'version:v4'],
  },
  transformItems(items) {
  if (location.hostname !== 'youzan.github.io') {
  @@ -485,7 +485,7 @@ export default {
  apiKey: '90067aecdaa2c85220e2783cd305caac',
  indexName: 'vant',
  searchParameters: {
  - facetFilters: ['lang:en-US', 'version:v3'],
  + facetFilters: ['lang:en-US', 'version:v4'],
  },
  },
  nav: [
  