chore(deps-dev): bump @vuepress/plugin-last-updated from 1.9.7 to 1.9.8

Bumps [@vuepress/plugin-last-updated](https://github.com/vuejs/vuepress/tree/HEAD/packages/@vuepress/plugin-last-updated) from 1.9.7 to 1.9.8.
- [Release notes](https://github.com/vuejs/vuepress/releases)
- [Changelog](https://github.com/vuejs/vuepress/blob/master/CHANGELOG.md)
- [Commits](https://github.com/vuejs/vuepress/commits/v1.9.8/packages/@vuepress/plugin-last-updated)

---
updated-dependencies:
- dependency-name: "@vuepress/plugin-last-updated"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -10,7 +10,7 @@
     "@vuepress/plugin-back-to-top": "^1.9.8",
     "@vuepress/plugin-google-analytics": "^1.9.7",
     "@vuepress/plugin-html-redirect": "^0.1.4",
-    "@vuepress/plugin-last-updated": "^1.9.7",
+    "@vuepress/plugin-last-updated": "^1.9.8",
     "husky": "^8.0.2",
     "lint-staged": "^13.1.0",
     "markdown-it-deflist": "^2.1.0",