Update Rust crate serde to v1.0.205

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
serde (source)	dependencies	patch	1.0.204 -> 1.0.205

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Release Notes

serde-rs/serde (serde)

### [`v1.0.205`](https://togithub.com/serde-rs/serde/releases/tag/v1.0.205) [Compare Source](https://togithub.com/serde-rs/serde/compare/v1.0.204...v1.0.205) - Use serialize_entry instead of serialize_key + serialize_value when serialize flattened newtype enum variants ([#​2785](https://togithub.com/serde-rs/serde/issues/2785), thanks [@​Mingun](https://togithub.com/Mingun)) - Avoid triggering a collection_is_never_read lint in the deserialization of enums containing flattened fields ([#​2791](https://togithub.com/serde-rs/serde/issues/2791))

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