Bump next from 12.1.1 to 12.1.5

Bumps [next](https://github.com/vercel/next.js) from 12.1.1 to 12.1.5.
- [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/v12.1.1...v12.1.5)

---
updated-dependencies:
- dependency-name: next
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -14,7 +14,7 @@
     "csstype": "^3.0.10",
     "dayjs": "^1.11.1",
     "goober": "2.1.8",
-    "next": "12.1.2",
+    "next": "12.1.5",
     "react": "17.0.2",
     "react-dom": "17.0.2",
     "react-fade-in": "^2.0.1",