Bump next from 10.2.0 to 11.1.3 in /blog

Bumps [next](https://github.com/vercel/next.js) from 10.2.0 to 11.1.3.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v10.2.0...v11.1.3)

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

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

Author: dependabot[bot]

blog/package.json

@@ -19,7 +19,7 @@
   "dependencies": {
     "date-fns": "^2.16.1",
     "gray-matter": "^4.0.2",
-    "next": "^10.0.0",
+    "next": "^11.1.3",
     "react": "17.0.1",
     "react-dom": "17.0.1",
     "remark": "^13.0.0",