Update dependency rollup to ^3.9.1

Author: renovate[bot]

example/package-lock.json

@@ -17,7 +17,7 @@
     "@rollup/plugin-node-resolve": "^15.0.1",
     "codemirror": "^6.0.1",
     "eslint-linter-browserify": "file:../",
-    "rollup": "^3.9.0",
+    "rollup": "^3.9.1",
     "serve": "^14.1.2"
   }
 }

example/package.json

@@ -34,7 +34,7 @@
     "@rollup/plugin-node-resolve": "^15.0.1",
     "eslint": "8.31.0",
     "process": "^0.11.10",
-    "rollup": "^3.9.0",
+    "rollup": "^3.9.1",
     "rollup-plugin-node-builtins": "^2.1.2"
   }
 }