chore(deps-dev): bump rollup from 1.11.1 to 1.11.2

Bumps [rollup](https://github.com/rollup/rollup) from 1.11.1 to 1.11.2.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rollup/rollup/compare/v1.11.1...v1.11.2)

Signed-off-by: dependabot[bot] <support@dependabot.com>

web3.js/package-lock.json

@@ -17182,9 +17182,9 @@
       }
     },
     "rollup": {
-      "version": "1.11.1",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-1.11.1.tgz",
-      "integrity": "sha512-D00dt6kFY6rDiyGHPdRWXvGHCKzcKtEh9T6FLtVvORqvbpbsRdRinAYJ5ezlDdI/WqYKz8CepsWtkIJLQEzCtg==",
+      "version": "1.11.2",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-1.11.2.tgz",
+      "integrity": "sha512-H5sS7GZ/Rn0t119Et8mw0QXtg5HTOI/1FL57EKHk5oduRmGaraOf3KcEt6j+dXJ9tXxWQkG+/FBjPS4dzxo6EA==",
       "dev": true,
       "requires": {
         "@types/estree": "0.0.39",

web3.js/package.json

@@ -111,7 +111,7 @@
     "marked": "^0.6.0",
     "prettier": "^1.14.3",
     "rimraf": "2.6.3",
-    "rollup": "1.11.1",
+    "rollup": "1.11.2",
     "rollup-plugin-babel": "^4.3.2",
     "rollup-plugin-commonjs": "9.3.4",
     "rollup-plugin-json": "^4.0.0",