fix: revert back fumadocs-ui & fumadocs-core version

Author: mittalyashu

package.json

@@ -15,12 +15,12 @@
   "dependencies": {
     "@opennextjs/cloudflare": "^1.3.0",
     "clsx": "^2.1.1",
-    "fumadocs-core": "^15.7.11",
+    "fumadocs-core": "15.6.12",
     "fumadocs-mdx": "^11.9.1",
-    "fumadocs-openapi": "^9.3.8",
+    "fumadocs-openapi": "9.2.3",
     "fumadocs-twoslash": "^3.1.0",
     "fumadocs-typescript": "^4.0.4",
-    "fumadocs-ui": "^15.7.11",
+    "fumadocs-ui": "15.6.12",
     "lucide-react": "^0.562.0",
     "next": "15.5.9",
     "prettier": "^3.6.2",