SRVOCF-1049: Enable hermetic builds with Yarn and Go prefetch

[maschmid]

Related to SRVOCF-1049

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[openshift-ci-robot]

@maschmid: This pull request references SRVOCF-1049 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the story to target the "5.1.0" version, but no target version was set.

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Related to SRVOCF-1049

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