[Snyk] Fix for 3 vulnerabilities

[lholmquist]

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
	Regular Expression Denial of Service (ReDoS) SNYK-JS-SEMVER-3247795	696
	Prototype Pollution SNYK-JS-JSON5-3182856	641
	Improper Input Validation SNYK-JS-POSTCSS-5926692	479

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[!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.

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Learn how to fix vulnerabilities with free interactive lessons:

🦉 Prototype Pollution 🦉 Improper Input Validation 🦉 Regular Expression Denial of Service (ReDoS)

[github-actions[bot]]

This pull request is stale because it has been open 30 days with no activity.