fix: upgrade next from 12.0.2 to 12.3.6

Snyk has created this PR to upgrade next from 12.0.2 to 12.3.6.

See this package in yarn:
next

See this project in Snyk:
https://app.snyk.io/org/devfile/project/2c5dd615-01bb-44a6-90b2-0f5d5d4ffcac?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

package.json

@@ -27,7 +27,7 @@
     "file-saver": "^2.0.5",
     "js-yaml": "^4.1.0",
     "jszip": "^3.7.1",
-    "next": "^12.0.2",
+    "next": "^12.3.6",
     "next-compose-plugins": "^2.2.1",
     "next-images": "^1.8.1",
     "next-pwa": "^5.2.21",