[Snyk] Fix for 3 vulnerabilities

[Realtin]

Snyk has created this PR to fix 3 vulnerabilities in the npm dependencies of this project.

Snyk changed the following file(s):

• package.json
• package-lock.json

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Uninitialized Memory Exposure npm:http-proxy-agent:20180406	796
	Insecure Randomness npm:cryptiles:20180710	479
	Time of Check Time of Use (TOCTOU) npm:chownr:20180731	434

---

Important

• Check the changes in this PR to ensure they won't cause issues with your project.
• Max score is 1000. Note that the real score may have changed since the PR was raised.
• This PR was automatically created by Snyk using the credentials of a real user.

---

Note: You are seeing this because you or someone else with access to this repository has authorized Snyk to open fix PRs.

For more information:
🧐 View latest project report
📜 Customise PR templates
🛠 Adjust project settings
📚 Read about Snyk's upgrade logic

---

Learn how to fix vulnerabilities with free interactive lessons:

🦉 Insecure Randomness