fix(deps): update rust crate serde_json to 1.0.103

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
serde_json	dependencies	patch	1.0.99 -> 1.0.103

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Release Notes

serde-rs/json (serde_json)

### [`v1.0.103`](https://togithub.com/serde-rs/json/releases/tag/v1.0.103) [Compare Source](https://togithub.com/serde-rs/json/compare/v1.0.102...v1.0.103) - Documentation improvements ### [`v1.0.102`](https://togithub.com/serde-rs/json/releases/tag/v1.0.102) [Compare Source](https://togithub.com/serde-rs/json/compare/v1.0.101...v1.0.102) - Add a way to customize the serialization of byte arrays ([#​1039](https://togithub.com/serde-rs/json/issues/1039)) ### [`v1.0.101`](https://togithub.com/serde-rs/json/releases/tag/v1.0.101) [Compare Source](https://togithub.com/serde-rs/json/compare/v1.0.100...v1.0.101) - Allow f32 and f64 as keys in maps ([#​1027](https://togithub.com/serde-rs/json/issues/1027), thanks [@​overdrivenpotato](https://togithub.com/overdrivenpotato)) ### [`v1.0.100`](https://togithub.com/serde-rs/json/releases/tag/v1.0.100) [Compare Source](https://togithub.com/serde-rs/json/compare/v1.0.99...v1.0.100) - Support `-Z minimal-versions`

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