Fix for vulnerable dependency path

[snyk-community]

sourcery currently has a 1 vulnerable dependency paths, introducing 1 different types of known vulnerabilities.

This PR fixes vulnerable dependency, remote memory exposure vulnerability in the request dependency.

You can see Snyk test report of this project for details.

This PR changes Package.json to upgrade request to the newer 2.74.0 version, and will fix the vulnerability.

You can get alerts and fix PRs for future vulnerabilities for free by watching this repo with Snyk.

Stay Secure, The Snyk Team