[Sync EN] types: Add $Revision$ to relative-class-types.xml (#5679)

[github-actions]

Commit: https://github.com/php/doc-en/commit/339ba3f0f4440af1f8d83e73b2c3be06b3cb2315
PR: https://github.com/php/doc-en/pull/5679

Zu aktualisierende DE-Dateien

• language/types/relative-class-types.xml