Rename internal prompting skill to version-neutral codex-prompting#2

ygCEO merged 2 commits into

mainygCEO/codex-plugin-cc:mainfrom

copilot/rename-gpt-5-4-prompting-to-codex-promptingygCEO/codex-plugin-cc:copilot/rename-gpt-5-4-prompting-to-codex-promptingCopy head branch name to clipboard