Bump npm from 6.11.2 to 6.14.6

Bumps [npm](https://github.com/npm/cli) from 6.11.2 to 6.14.6.
- [Release notes](https://github.com/npm/cli/releases)
- [Changelog](https://github.com/npm/cli/blob/latest/CHANGELOG.md)
- [Commits](npm/cli@v6.11.2...v6.14.6)

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

package.json

@@ -120,7 +120,7 @@
 		"lint-staged": "^9.2.3",
 		"mkdirp": "^0.5.1",
 		"nodemon": "^1.17.5",
-		"npm": "^6.0.1",
+		"npm": "^6.14.6",
 		"prettier": "^1.12.1",
 		"rimraf": "^2.6.3",
 		"sql.js": "^1.0.0",