fix: corrects sanitization to accept the entire alphabet in alphanume…#461

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lindsay-qive wants to merge 3 commits intobrazilian-utils:mainfrom

lindsay-qive:fix/cnpj-alfanumerico-sanitize

Commits on Mar 23, 2026

fix: corrects sanitization to accept the entire alphabet in alphanumeric CNPJ
lindsay-qive
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fix: adds test cases using the official Receita Federal example (12.ABC.345/01DE-35) to prevent future regressions
lindsay-qive
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Commits on Mar 26, 2026

style: format code with biome
lindsay-qive
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