[Sync EN] imagick: fix broken methodsynopsis xpointers in exception classes

PR: `https://github.com/php/doc-en/pull/5700` (2026-07-24)

**Файлы RU для обновления**
- `reference/imagick/imagickdrawexception.xml`
- `reference/imagick/imagickexception.xml`
- `reference/imagick/imagickkernelexception.xml`
- `reference/imagick/imagickpixelexception.xml`
- `reference/imagick/imagickpixeliteratorexception.xml`

