Bump rollup from 3.29.5 to 3.30.0 in /demo (#314)

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Author: dependabot[bot]

demo/package-lock.json

@@ -13,7 +13,7 @@
     "express": "^4.22.1",
     "jest": "^29.5.0",
     "puppeteer": "^22.15.0",
-    "rollup": "^3.29.5"
+    "rollup": "^3.30.0"
   },
   "jest": {
     "transform": {