Ruby

Bump actions/cache from 4.0.1 to 4.0.2

Bumps actions/cache from 4.0.1 to 4.0.2.

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updated-dependencies:

• dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-patch
  ...

Signed-off-by: dependabot[bot] [email protected]