build(deps-dev): bump lerna from 3.16.4 to 3.18.3 (#534)

Bumps [lerna](https://github.com/lerna/lerna/tree/HEAD/core/lerna) from 3.16.4 to 3.18.3.
- [Release notes](https://github.com/lerna/lerna/releases)
- [Changelog](https://github.com/lerna/lerna/blob/master/core/lerna/CHANGELOG.md)
- [Commits](https://github.com/lerna/lerna/commits/v3.18.3/core/lerna)

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

package.json

@@ -21,7 +21,7 @@
     "eslint": "^6.6.0",
     "husky": "3.0.9",
     "jest": "^24.9.0",
-    "lerna": "3.16.4",
+    "lerna": "3.18.3",
     "lint-staged": "8.1.6",
     "prettier": "1.18.2",
     "typedoc": "^0.15.0",