github/build: Avoid double checkout to prevent errors on upgrade #37941
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This is to prevent errors such as
Duplicate header: "Authorization"when the time comes to upgradeactions/checkoutto the latest v6 version. It became clear that without this changehashicorp/actions-set-product-versionwould cause the entire workflow to fail.So this is not a problem yet as we are still pinned to
actions/checkout@v5but the PR is preventative in nature.Aside from addressing the conflict, it also seems like a good practice to avoid checking out the same repository more than once if we do not need to.
See more in https://github.com/hashicorp/releng-support/issues/1030