[Upstream] Review xai-org/grok-build changes

[github-actions]

A newer state of xai-org/grok-build is available for review.

• Last reviewed commit: a4221165824e5b1f5c4c10b7459f65e78dd6448d
• Current upstream commit: e5478eff1e4050558e12e1328b85e6616632efb6
• Last reviewed upstream version: 0.2.117
• Current upstream version: 0.2.119
• Last reviewed release: none
• Current upstream release: none

Review and port relevant changes according to the upstream sync procedure. Do not merge upstream wholesale or update .github/upstream.json before the selected changes pass the Chutes Build quality gates.