chore(deps-dev): bump flow-typed from 2.6.2 to 3.0.0

Bumps [flow-typed](https://github.com/flow-typed/flow-typed) from 2.6.2 to 3.0.0.
- [Release notes](https://github.com/flow-typed/flow-typed/releases)
- [Changelog](https://github.com/flow-typed/flow-typed/blob/master/CHANGELOG.md)
- [Commits](https://github.com/flow-typed/flow-typed/compare/v2.6.2...v3.0.0)

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

web3.js/package.json

@@ -111,7 +111,7 @@
     "eslint-plugin-jest": "22.19.0",
     "eslint-plugin-prettier": "^3.0.0",
     "flow-bin": "0.118.0",
-    "flow-typed": "2.6.2",
+    "flow-typed": "3.0.0",
     "fs-file-tree": "1.1.0",
     "jest": "25.1.0",
     "marked": "^0.8.0",