chore: bump rollup from 2.60.1 to 2.60.2 in /web3.js (#21512)

Bumps [rollup](https://github.com/rollup/rollup) from 2.60.1 to 2.60.2.
- [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/v2.60.1...v2.60.2)

---
updated-dependencies:
- dependency-name: rollup
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

web3.js/package.json

@@ -123,7 +123,7 @@
     "prettier": "^2.3.0",
     "puppeteer": "^12.0.0",
     "rimraf": "3.0.2",
-    "rollup": "2.60.1",
+    "rollup": "2.60.2",
     "rollup-plugin-dts": "^4.0.0",
     "rollup-plugin-node-polyfills": "^0.2.1",
     "rollup-plugin-terser": "^7.0.2",