[Sync EN] Enhance the Yac extension documentation (#5810)

[github-actions]

Commit: https://github.com/php/doc-en/commit/d3a03f8f542cd083d793bbd8ef3d7756aae7711f
PR: https://github.com/php/doc-en/pull/5810

Archivos ES a actualizar

• reference/yac/book.xml
• reference/yac/setup.xml
• reference/yac/yac.xml
• reference/yac/yac/delete.xml
• reference/yac/yac/dump.xml