deps(deps): update validator requirement from 0.18 to 0.20

[dependabot]

Updates the requirements on validator to permit the latest version.

Changelog

Sourced from validator's changelog.

0.20.0 (2025/01/20)

• Implement AsRegex for std::sync::LazyLock<Regex>
• Bug fix for nested issue with custom only running nested if outer passes
• Support Deserialize for ValidationErrors

0.19.0 (2024/11/03)

• Swap to using proc-macro-error-2 instead of proc-macro-error for Syn
• Bumped MSRV to 1.81 because of error naming changes.
• Add more ValidateRegex impl

0.18.1 (2024/04/11)

• Fix multiple custom validation
• Fix nested error handling

0.18.0 (2024/04/05)

• Fix regressions from the derive rewrite, some things are back to 0.16 (eg custom functions)
• Remove require_nested, use required and nested validators instead
• Always require nested on the field for nested validation

0.17.0 (2024/03/04)

• Derive macro has been entirely rewritten
• Validation is now done through traits that you can implement
• Remove phone validator
• Remove automatic use of serde rename for fields name (temporary)

0.16.0 (2022/06/27)

• Allow passing code/message to required
• Add does_not_contain validator
• Check email length before validating it

0.15.0 (2022/05/03)

• Allow passing args to schema validator
• Implement HasLen for map/set types
• Remove validator_types from validator crate
• Add ValidationErrors::errors_mut
• Ignore unsupported fields rather than erroring

0.14.0 (2021/06/29)

• Allow passing arguments to custom functions

... (truncated)

Commits

• 32e49fb Prepare for release
• 06e69eb feat: support Deserialize for ValidationErrors (#364)
• 629ee58 Fix Merge issues between custom and nested (#359)
• c38ae67 impl AsRegex for LazyLock<Regex> (#361)
• d256ba7 Update README.md
• a2eef32 Update README.md
• 0517e59 Update MSVR in README.md (#356)
• 2f24331 Update release date
• 6f22a17 Fix warnings in tests (#355)
• 6dd0525 bump version update (#354)
• Additional commits viewable in compare view

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