fix(deps): update dependency @vuepress/bundler-vite to v2.0.0-rc.20

Author: renovate[bot]

package.json

@@ -16,7 +16,7 @@
     "@types/katex": "0.16.7",
     "@types/three": "0.164.0",
     "@vue/repl": "4.1.2",
-    "@vuepress/bundler-vite": "2.0.0-rc.9",
+    "@vuepress/bundler-vite": "2.0.0-rc.20",
     "@vuepress/helper": "2.0.0-rc.26",
     "@vuepress/plugin-copy-code": "2.0.0-rc.26",
     "@vuepress/plugin-feed": "2.0.0-rc.26",