enable hermetic builds and prefetched dependencies

[Gregory-Pereira]

Also includes changes to get rekor back on a stable build in RHTAP

[openshift-ci]

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[lance]

/retest

[tommyd450]

@lance @Gregory-Pereira Are the hermetic working with go1.21 now?

[lance]

@Gregory-Pereira you've got the git conflict indicators still in the yaml. Instead of this

<<<<<<< HEAD
  - name: build-source-image
    value: "true"
=======
  - name: hermetic
    value: "true"
  - name: prefetch-input
    value: '{"path": ".","type": "gomod"}'
>>>>>>> f52a2e7 (enable hermetic builds)

It should be this

  - name: build-source-image
    value: "true"
  - name: hermetic
    value: "true"
  - name: prefetch-input
    value: '{"path": ".","type": "gomod"}'