chore(deps): update dependency rollup to v4.21.2

Author: renovate[bot]

package.json

@@ -18,7 +18,7 @@
     "eslint": "9.9.0",
     "eslint-config-prettier": "9.1.0",
     "prettier": "3.3.3",
-    "rollup": "4.21.0",
+    "rollup": "4.21.2",
     "typescript": "5.5.4",
     "typescript-eslint": "rc-v8"
   },