[Snyk] Fix for 1 vulnerable dependency path

[snyk-bot]

This pull request fixes one or more vulnerable packages in the npm dependencies of this project. See the Snyk test report for this project for details.

The PR includes:

• Changes to package.json to upgrade the vulnerable dependencies to a fixed version.

Vulnerabilities that will be fixed

With an upgrade:

• npm:qs:20170213 - potentially breaking change

You can read more about Snyk's upgrade and patch logic in Snyk's documentation.

Check the changes in this PR to ensure they won't cause issues with your project.

Stay secure, The Snyk team

[coveralls]

Coverage remained the same at 88.478% when pulling 60f3604d0cdb33beb91cbad1a1b152e8acee19eb on snyk-fix-72f504bf into f9d24d3f7f6a9692587b6b824bba1d32282eb660 on master.