Bump next from 10.0.6 to 12.1.0 in /examples/nextjs-prisma

Bumps [next](https://github.com/vercel/next.js) from 10.0.6 to 12.1.0.
- [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/v10.0.6...v12.1.0)

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

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

examples/nextjs-prisma/package.json

@@ -13,7 +13,7 @@
   },
   "dependencies": {
     "@prisma/client": "2.30.0",
-    "next": "10.0.6",
+    "next": "12.1.0",
     "pg": "^8.5.1",
     "react": "17.0.1",
     "react-dom": "17.0.1",