[docs] Bump next to latest

.dependabot/config.yml

@@ -30,11 +30,6 @@ update_configs:
       - match:
           # These should be grouped once a PR for `jss` is opened
           dependency_name: 'jss-*'
-      - match:
-          # breaks /api routes
-          # can be upgraded once https://github.com/zeit/next.js/issues/8123 is resolved
-          dependency_name: 'next'
-          version_requirement: '9.x'
       - match:
           # 1.18 started adding trailing commas only compatible with typescript ^3.4
           dependency_name: 'prettier'

docs/package.json

@@ -83,7 +83,7 @@
     "marked": "^0.8.0",
     "material-table": "^1.50.0",
     "material-ui-popup-state": "^1.4.1",
-    "next": "9.1.4",
+    "next": "^9.2.2",
     "notistack": "^0.9.3",
     "nprogress": "^0.2.0",
     "postcss": "^7.0.18",

package.json

@@ -148,6 +148,8 @@
     "**/@babel/core": "^7.8.6",
     "**/@babel/plugin-proposal-class-properties": "^7.8.3",
     "**/@babel/plugin-proposal-object-rest-spread": "^7.8.3",
+    "**/@babel/plugin-proposal-nullish-coalescing-operator": "^7.8.3",
+    "**/@babel/plugin-proposal-optional-chaining": "^7.8.3",
     "**/@babel/plugin-transform-destructuring": "npm:@minh.nguyen/plugin-transform-destructuring@^7.5.2",
     "**/@babel/plugin-transform-runtime": "^7.8.3",
     "**/@babel/preset-env": "^7.8.6",