misc/codex: Update to 0.77.0

Changelog:

• https://github.com/openai/codex/releases/tag/rust-v0.74.0
• https://github.com/openai/codex/releases/tag/rust-v0.75.0
• https://github.com/openai/codex/releases/tag/rust-v0.76.0
• https://github.com/openai/codex/releases/tag/rust-v0.77.0

Reported by: GitHub (watch releases)