🌐 Add portuguese translation for `docs/tutorial/query-params-str-validations.md` (#3965)
Co-authored-by: Mário Victor Ribeiro Silva <mariovictorrs@gmail.com>
Co-authored-by: Leandro de Souza <leandro.souza@fontes.corp>
Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>
