message: Update dependencies again.
diff: "@vuepress/plugin-back-to-top": "^1.0.0-alpha.0",
  "mermaid": "^8.0.0",
  "vuepress": "^1.0.0-alpha.31",
  - "vuepress-plugin-matomo": "^1.0.1",
  + "vuepress-plugin-matomo": "^1.0.2",
  "yarn": "^1.13.0"
  }
  }
  