Update schemars requirement from 0.8.17 to 1.0.3

[dependabot]

Updates the requirements on schemars to permit the latest version.

Release notes

Sourced from schemars's releases.

v1.0.3

Fixed

• Fix compile error when a doc comment is set on both a transparent (or newtype) struct and its field (GREsau/schemars#446)
• Fix json_schema!() macro compatibility when used from pre-2021 rust editions (GREsau/schemars#447)

Changelog

Sourced from schemars's changelog.

[1.0.3] - 2025-06-28

Fixed

• Fix compile error when a doc comment is set on both a transparent (or newtype) struct and its field (GREsau/schemars#446)
• Fix json_schema!() macro compatibility when used from pre-2021 rust editions (GREsau/schemars#447)

[1.0.2] - 2025-06-26

Fixed

• Fix schema properties being incorrectly reordered during serialization (GREsau/schemars#444)

[1.0.1] - 2025-06-24

Fixed

• Deriving JsonSchema with no_std broken due to std::borrow::ToOwned trait not being in scope (GREsau/schemars#441)

[1.0.0] - 2025-06-23

This is a major release with many additions, fixes and changes since 0.8 (but not many since 0.9). While the basic usage (deriving JsonSchema and using schema_for!() or SchemaGenerator) is mostly unchanged, you may wish to consult the migration guide which covers some of the most significant changes.

Changes since 1.0.0-rc.2:

Added

• #[schemars(bound = ...)] attributes are now used from fields as well as containers
• The Schema::pointer(...) method now works when given a JSON pointer in URI Fragment representation with a leading # character. In particular, this means that you can now lookup a schema from a $ref value using that method.

Fixed

• Schema names that contain special characters are now correctly encoded when used inside a $ref value (GREsau/schemars#436)
• Optimise type param usage in SchemaGenerator::subschema_for, reducing LLVM line count and improving compile times (GREsau/schemars#439)

[1.0.0-rc.2] - 2025-06-19

Added

• Serde attributes that you want schemars to ignore can now be "unset" by including them in a schemars attribute with a ! prefix, e.g. #[schemars(!from)] (GREsau/schemars#433 / GREsau/schemars#434)

Removed

• ⚠️ Deprecated items have been removed:
  • SchemaSettings::option_nullable and SchemaSettings::option_add_null_type fields
  • gen module

[1.0.0-rc.1] - 2025-06-16

Added

... (truncated)

Commits

• e235dbb v1.0.3
• 167edf3 Accept comments on both transparent struct and its field (#448)
• 75f670a Improve json_schema!-macro compability with older rust editions (#447)
• 2697ecb v1.0.2
• d3d96b6 Improve handling of keyword ordering in schema serialization (#445)
• d8efe53 Delete broken symlinks
• 0c38f5f v1.0.1
• 092e971 Simplify docs.rs links
• 98a707d Fix deriving with no_std (#442)
• 0134a2e Remove v1 alpha notes
• Additional commits viewable in compare view

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[dependabot]

Superseded by #225.