[Snyk] Security upgrade lodash from 4.17.19 to 4.17.20

[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:
  • package.json
  • package-lock.json

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	776/1000 Why? Recently disclosed, Has a fix available, CVSS 9.8	Prototype Pollution SNYK-JS-LODASH-590103	No	No Known Exploit

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

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

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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:
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📚 Read more about Snyk's upgrade and patch logic

[coveralls]

Pull Request Test Coverage Report for Build d96f39b4-1bd4-4756-a85f-9e3482ed2d54

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 98.612%

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Totals
Change from base Build 721907a4-adb8-4e9a-8f78-2b44057bcdbc:	0.0%
Covered Lines:	789
Relevant Lines:	795

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💛 - Coveralls