[Sync EN] Fix pgsql function signatures

[github-actions]

PR: https://github.com/php/doc-en/pull/5355 (2026-04-22)

Файлы RU для обновления

• reference/pgsql/functions/pg-escape-bytea.xml
• reference/pgsql/functions/pg-escape-identifier.xml
• reference/pgsql/functions/pg-escape-literal.xml
• reference/pgsql/functions/pg-escape-string.xml
• reference/pgsql/functions/pg-execute.xml
• reference/pgsql/functions/pg-lo-export.xml
• reference/pgsql/functions/pg-lo-import.xml
• reference/pgsql/functions/pg-parameter-status.xml
• reference/pgsql/functions/pg-prepare.xml
• reference/pgsql/functions/pg-put-line.xml
• reference/pgsql/functions/pg-set-error-verbosity.xml