[Sync EN] Document FILTER_THROW_ON_FAILURE and the Filter exception classes (PHP 8.5) (#5607)

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Commit: https://github.com/php/doc-en/commit/3d4ee5f40afbfe44db4f1b13a22a6a38d4b40c7b
PR: https://github.com/php/doc-en/pull/5607

Zu aktualisierende DE-Dateien

• reference/filter/book.xml
• reference/filter/constants.xml

Neue EN-Dateien (noch nicht übersetzt)

• reference/filter/filter.filterexception.xml
• reference/filter/filter.filterfailedexception.xml