[1.2.x] chore(deps): clean out old tar-6.2.0 in favour of tar-6.2.1 from yarn.lock (RHIDP-2806)

[openshift-cherrypick-robot]

This is an automated cherry-pick of #1338

/assign nickboldt

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[openshift-ci[bot]]

Hi @openshift-cherrypick-robot. Thanks for your PR.

I'm waiting for a janus-idp member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[github-actions[bot]]

The image is available at: quay.io/janus-idp/backstage-showcase:pr-1348!