[Sync EN] Fix mb_http_input ValueError version from 8.4.0 to 8.0.0 (#5252)

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Commit: https://github.com/php/doc-en/commit/2fab26790083c132d6daeb0a0bfa41d5cc0894e0
PR: https://github.com/php/doc-en/pull/5252

Archivos ES a actualizar

• reference/mbstring/functions/mb-http-input.xml