misc/codex: Update to 0.153.4

Changelog:

• https://github.com/openai/codex/releases/tag/rust-v0.153.0
• https://github.com/openai/codex/releases/tag/rust-v0.153.1
• https://github.com/openai/codex/releases/tag/rust-v0.153.2
• https://github.com/openai/codex/releases/tag/rust-v0.153.3
• https://github.com/openai/codex/releases/tag/rust-v0.153.4

Reported by: GitHub (watch releases)