[Snyk] Security upgrade @actions/cache from 3.1.4 to 3.2.1

[St0nersdash]

Snyk has created this PR to fix 1 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
	Prototype Pollution SNYK-JS-XML2JS-5414874	586

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🦉 Prototype Pollution