Update Rust crate serde to 1.0.157

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
serde (source)	dependencies	patch	1.0.156 -> 1.0.157

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Release Notes

serde-rs/serde

### [`v1.0.157`](https://togithub.com/serde-rs/serde/releases/tag/v1.0.157) [Compare Source](https://togithub.com/serde-rs/serde/compare/v1.0.156...v1.0.157) - Update syn dependency to 2.x

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Configuration

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