t4943: apply Gemini review wording to secret temp-file guidance#4952

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marcusquinn wants to merge 2 commits intomainfrom

fix/t4943-review-suggestions

Commits on Mar 15, 2026

docs: add explicit mktemp and trap guidance to secret-as-argument fallback
alex-solovyev
committed
docs: clarify portable secret temp-file permissions and EXIT trap cleanup
marcusquinn
committed