Bump next from 11.1.0 to 11.1.1 in /frontend (#48)

Bumps [next](https://github.com/vercel/next.js) from 11.1.0 to 11.1.1.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v11.1.0...v11.1.1)

---
updated-dependencies:
- dependency-name: next
  dependency-type: direct:production
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

frontend/package.json

@@ -13,7 +13,7 @@
   "dependencies": {
     "@types/styled-components": "^5.1.12",
     "babel-plugin-styled-components": "^1.13.2",
-    "next": "^11.1.0",
+    "next": "^11.1.1",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
     "styled-components": "^5.3.0"