docs: fix infinite scroll, update next.js, other fixes (#9441)

* update nextjs

* badge + scroll fixes

www/apps/api-reference/app/globals.css

@@ -43,6 +43,14 @@
     @apply bg-medusa-bg-highlight;
   }
 
+  * {
+    scrollbar-color: var(--docs-border-base) var(--docs-bg-base);
+  }
+
+  aside * {
+    scrollbar-color: var(--docs-border-base) var(--docs-bg-subtle);
+  }
+
   body[data-modal="opened"] {
     @apply !overflow-hidden;
   }

www/apps/api-reference/package.json

@@ -17,7 +17,7 @@
     "@mdx-js/react": "^3.0.0",
     "@medusajs/icons": "preview",
     "@medusajs/ui": "^3.0.0",
-    "@next/mdx": "14.2.3",
+    "@next/mdx": "14.2.14",
     "@readme/openapi-parser": "^2.5.0",
     "@types/mapbox__rehype-prism": "^0.8.0",
     "@types/mdx": "^2.0.5",
@@ -33,7 +33,7 @@
     "jsdom": "^22.1.0",
     "json-schema": "^0.4.0",
     "json-stringify-pretty-compact": "^4.0.0",
-    "next": "^14.2.3",
+    "next": "^14.2.14",
     "next-mdx-remote": "^4.4.1",
     "openapi-sampler": "^1.3.1",
     "openapi-types": "^12.1.3",
@@ -53,7 +53,7 @@
     "yaml": "^2.3.1"
   },
   "devDependencies": {
-    "@next/bundle-analyzer": "^14.2.3",
+    "@next/bundle-analyzer": "^14.2.14",
     "@types/jsdom": "^21.1.1",
     "@types/pluralize": "^0.0.33",
     "types": "*"