[Snyk] Security upgrade shelljs from 0.8.4 to 0.8.5

[snyk-bot]

Snyk has created this PR to fix one or more vulnerable packages in the `npm` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • scripts/auto_backtester/package.json
  • scripts/auto_backtester/package-lock.json

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	748/1000 Why? Proof of Concept exploit, Recently disclosed, Has a fix available, CVSS 7.1	Improper Privilege Management SNYK-JS-SHELLJS-2332187	No	Proof of Concept

(*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: shelljs

The new version differs by 2 commits.

• 70668a4 0.8.5
• d919d22 fix(exec): lockdown file permissions (#1060)

See the full diff

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

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