Merge pull request #4071 from mermaid-js/renovate/vite-4.x

chore(deps): update dependency vite to v4

packages/mermaid/src/docs/vite.config.ts

@@ -1,6 +1,5 @@
-import { defineConfig, searchForWorkspaceRoot } from 'vite';
+import { defineConfig, type PluginOption, searchForWorkspaceRoot } from 'vite';
 import path from 'path';
-// @ts-ignore: still in alpha
 import { SearchPlugin } from 'vitepress-plugin-search';
 
 const virtualModuleId = 'virtual:mermaid-config';
@@ -8,7 +7,7 @@ const resolvedVirtualModuleId = '\0' + virtualModuleId;
 
 export default defineConfig({
   plugins: [
-    SearchPlugin(),
+    SearchPlugin() as PluginOption,
     {
       // TODO: will be fixed in the next vitepress release.
       name: 'fix-virtual',