[Snyk] Security upgrade aegir from 37.12.1 to 40.0.4

[adamlaska]

Snyk has created this PR to fix 1 vulnerabilities in the npm dependencies of this project.

Snyk changed the following file(s):

• package.json

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Regular Expression Denial of Service (ReDoS) SNYK-JS-CROSSSPAWN-8303230	828

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🦉 Regular Expression Denial of Service (ReDoS)

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