fix(deps): update dependency @actions/cache to v6

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@actions/cache (source)	5.0.5 → 6.0.1

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Release Notes

actions/toolkit (@​actions/cache)

v6.0.1

• Bump dependency versions (#​2393):
  • @actions/core to ^3.0.1
  • @actions/http-client to ^4.0.1
  • @actions/io to ^3.0.2
  • @azure/core-rest-pipeline to ^1.23.0
  • @azure/storage-blob to ^12.31.0
  • semver to ^7.7.4

v6.0.0

• Breaking change: Package is now ESM-only
  • CommonJS consumers must use dynamic import() instead of require()

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