chore(deps-dev): bump prettier from 1.17.0 to 1.18.2

Bumps [prettier](https://github.com/prettier/prettier) from 1.17.0 to 1.18.2.
- [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/1.17.0...1.18.2)

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

web3.js/package-lock.json

@@ -17161,9 +17161,9 @@
       "dev": true
     },
     "prettier": {
-      "version": "1.17.0",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.17.0.tgz",
-      "integrity": "sha512-sXe5lSt2WQlCbydGETgfm1YBShgOX4HxQkFPvbxkcwgDvGDeqVau8h+12+lmSVlP3rHPz0oavfddSZg/q+Szjw==",
+      "version": "1.18.2",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.18.2.tgz",
+      "integrity": "sha512-OeHeMc0JhFE9idD4ZdtNibzY0+TPHSpSSb9h8FqtP+YnoZZ1sl8Vc9b1sasjfymH3SonAF4QcA2+mzHPhMvIiw==",
       "dev": true
     },
     "prettier-linter-helpers": {