Update Rust crate serde to 1.0.139

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
serde (source)	dependencies	patch	1.0.138 -> 1.0.139

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Release Notes

serde-rs/serde

### [`v1.0.139`](https://togithub.com/serde-rs/serde/compare/v1.0.138...v1.0.139) [Compare Source](https://togithub.com/serde-rs/serde/compare/v1.0.138...v1.0.139)

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Configuration

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