Bump next from 11.0.0 to 11.1.1

Bumps [next](https://github.com/vercel/next.js) from 11.0.0 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](https://github.com/vercel/next.js/compare/v11.0.0...v11.1.1)

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

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

package.json

@@ -15,7 +15,7 @@
     "date-fns-tz": "^1.1.4",
     "ics": "^2.29.0",
     "mongoose": "^5.12.13",
-    "next": "^11.0.0",
+    "next": "^11.1.1",
     "next-iron-session": "^4.1.14",
     "next-mdx-remote": "^3.0.2",
     "p-retry": "^4.5.0",