build(deps): update jsonschema requirement from 0.40 to 0.42

[dependabot]

Updates the requirements on jsonschema to permit the latest version.

Release notes

Sourced from jsonschema's releases.

[Python] Release 0.42.0

Fixed

• Panic when validating $ref targets that resolve to boolean schemas.

Performance

• Use FFI PyList_New + PyList_SetItem for array conversion to avoid reallocations.
• Cache ValidationError, ReferencingError, and decimal.Decimal types to avoid repeated module imports.
• Cache formatted schema locations to avoid repeated formatting during evaluate().
• Use as_str instead of to_string for type names in validation errors to avoid allocations.

Changelog

Sourced from jsonschema's changelog.

[0.42.0] - 2026-02-14

Added

• JsonType::as_str method for zero-allocation type name access.
• ValidationErrorKind::keyword is now public.
• tls-ring feature flag to opt into using ring as the TLS crypto provider instead of the default aws-lc-rs. #997
• CLI: Support YAML (.yaml/.yml) instance files in text output mode. #988

Changed

• BREAKING: Default TLS crypto provider switched back to aws-lc-rs. Users who need ring can opt in via the tls-ring feature flag. This resolves potential conflicts with other libraries using aws-lc-rs. #997

Fixed

• Panic when validating $ref targets that resolve to boolean schemas.

Performance

• Cache formatted schema locations with OnceLock to avoid repeated formatting during evaluate().

[0.41.0] - 2026-02-04

Performance

• Replace regex-based uri-template format validation with a hand-rolled RFC 6570 parser.
• Specialize items keyword for simple type schemas ({"type": "string"}, {"type": "number"}, etc.) to eliminate dynamic dispatch overhead.
• Precompute regex matches on known properties.
• Faster unevaluatedProperties validation via O(1) property lookup and short-circuit oneOf evaluation.
• Use HashMap for large set of properties.
• Lower HashMap threshold from 40 to 15 properties for faster property lookups.

[0.40.2] - 2026-01-30

Changed

• Exclude internal tracker field from ValidationError Debug output.
• Switch HTTP client TLS crypto backend from aws-lc-rs to ring to simplify building from source on some Linux distributions. #957

Fixed

• type: integer validation in Draft 4 now correctly accepts large integers outside the i64/u64 range when arbitrary-precision feature is enabled.

[0.40.1] - 2026-01-30

Changed

• ValidationErrorKind::Custom now includes a keyword field containing the custom keyword name.

Performance

... (truncated)

Commits

• fd3fc53 chore(ruby): Release 0.42.0
• 35bc7e5 build(ruby): Fix ruby release
• aed59cd chore(ruby): Rename gem to jsonschema-rs
• bd752e6 chore(ruby): Cleanup default features for jsonschema
• 0e54560 chore(python): Release 0.42.0
• cacce90 chore(ruby): Update to jsonschema 0.42.0
• 6dfcaf3 chore(rust): Release 0.42.0
• 29faf94 chore: Update serde-saphyr to 0.0.18
• 1f7665c test(cli): add more tests for YAML inputs
• d61302b test: normalize test outcomes for stable comparison
• Additional commits viewable in compare view

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