fix(deps): update dependency @vuepress/plugin-search to v2.0.0-rc.26

Author: renovate[bot]

package.json

@@ -12,7 +12,7 @@
   },
   "dependencies": {
     "@vuepress/bundler-vite": "2.0.0-rc.9",
-    "@vuepress/plugin-search": "2.0.0-rc.21",
+    "@vuepress/plugin-search": "2.0.0-rc.26",
     "@vuepress/plugin-shiki": "2.0.0-rc.21",
     "vue": "3.4.21",
     "vuepress": "2.0.0-rc.9",