fix: do not persist credentials for release workflow

[krizzu]

Summary

I hope this is the last follow up 😄 Turns out, even if we set git credentials during job run, the checkout step had set git credentials upfront, which took precedence over ours. Because of that, github-bot was used to create a branch, not @AsyncStorageBot .

[changeset-bot]

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Latest commit: f31fd36

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