chore(deps-dev): bump prettier from 1.16.1 to 1.16.3

Bumps [prettier](https://github.com/prettier/prettier) from 1.16.1 to 1.16.3.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/master/CHANGELOG.md)
- [Commits](https://github.com/prettier/prettier/compare/1.16.1...1.16.3)

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

web3.js/package-lock.json

@@ -13410,9 +13410,9 @@
       "dev": true
     },
     "prettier": {
-      "version": "1.16.1",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.16.1.tgz",
-      "integrity": "sha512-XXUITwIkGb3CPJ2hforHah/zTINRyie5006Jd2HKy2qz7snEJXl0KLfsJZW/wst9g6R2rFvqba3VpNYdu1hDcA==",
+      "version": "1.16.3",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.16.3.tgz",
+      "integrity": "sha512-kn/GU6SMRYPxUakNXhpP0EedT/KmaPzr0H5lIsDogrykbaxOpOfAFfk5XA7DZrJyMAv1wlMV3CPcZruGXVVUZw==",
       "dev": true
     },
     "prettier-linter-helpers": {