chore(deps-dev): bump @vuepress/plugin-back-to-top from 1.0.4 t… (#3078)

Bumps [@vuepress/plugin-back-to-top](https://github.com/vuejs/vuepress/tree/HEAD/packages/@vuepress/plugin-back-to-top) from 1.0.4 to 1.1.0.
- [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/v1.1.0/packages/@vuepress/plugin-back-to-top)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: null <27856297+dependabot-preview[bot]@users.noreply.github.com>

package.json

@@ -34,7 +34,7 @@
     "@types/cheerio": "0.22.13",
     "@types/got": "9.6.7",
     "@types/koa": "2.0.49",
-    "@vuepress/plugin-back-to-top": "1.0.4",
+    "@vuepress/plugin-back-to-top": "1.1.0",
     "@vuepress/plugin-google-analytics": "1.1.0",
     "@vuepress/plugin-pwa": "1.1.0",
     "cross-env": "5.2.1",

yarn.lock

@@ -1374,10 +1374,10 @@
   dependencies:
     lodash.throttle "^4.1.1"
 
-"@vuepress/plugin-back-to-top@1.0.4":
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/@vuepress/plugin-back-to-top/-/plugin-back-to-top-1.0.4.tgz#ded26ff8080a5ee5c84810e02fa91cb1d51a0532"
-  integrity sha512-MAU2uFVPMDQXLt8RZh2qxyDrPYEVOobPW/ea3G+3UhnfO9wi6zrfDhaVp6zTGXC/UEi3m0H1zWQkJdTvoG9N6A==
+"@vuepress/plugin-back-to-top@1.1.0":
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/@vuepress/plugin-back-to-top/-/plugin-back-to-top-1.1.0.tgz#c765f1be1b2bd04956c2ca627d3737ecde6ac337"
+  integrity sha512-UodMcqqSYERwoQkJQIwqEGxtyQGZMNo0YDfPGXXsIVJqesfeqgTSqfzuZZv/oCAahvG+EHtV4ZzKguls+cm1tA==
   dependencies:
     lodash.debounce "^4.0.8"