fix(deps): update dependency rollup to v4

Author: renovate[bot]

package.json

@@ -24,7 +24,7 @@
     "react": "18.3.1",
     "react-dom": "18.3.1",
     "reading-time": "1.5.0",
-    "rollup": "3.29.5",
+    "rollup": "4.44.2",
     "shiki": "0.14.7",
     "tailwindcss": "3.4.17"
   },