[Sync EN] Follow up with Dev Container improvements (#5615)

[github-actions]

Commit: https://github.com/php/doc-en/commit/cf958900236d712c55aa4dbd585fc0ba3b04fe7a
PR: https://github.com/php/doc-en/pull/5615

Archivos ES a actualizar

• .devcontainer/build.sh
• .devcontainer/post-create.sh