resolve conflict

package.json

@@ -14,6 +14,7 @@
   "dependencies": {
     "@svgr/webpack": "^6.5.1",
     "@vercel/analytics": "^0.1.11",
+    "array.prototype.at": "^1.1.1",
     "emoji-picker-react": "^4.4.7",
     "eventsource-parser": "^0.1.0",
     "fuse.js": "^6.6.2",
@@ -23,8 +24,8 @@
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-markdown": "^8.0.5",
+    "rehype-highlight": "^6.0.0",
     "rehype-katex": "^6.0.2",
-    "rehype-prism-plus": "^1.5.1",
     "remark-breaks": "^3.0.2",
     "remark-gfm": "^3.0.1",
     "remark-math": "^5.1.1",