Update Rust crate serde to v1.0.210

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
serde (source)	dependencies	patch	1.0.207 -> 1.0.210

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Release Notes

serde-rs/serde (serde)

v1.0.210

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• Support serializing and deserializing IpAddr and SocketAddr in no-std mode on Rust 1.77+ (#​2816, thanks @​MathiasKoch)
• Make serde::ser::StdError and serde::de::StdError equivalent to core::error::Error on Rust 1.81+ (#​2818)

v1.0.209

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• Fix deserialization of empty structs and empty tuples inside of untagged enums (#​2805, thanks @​Mingun)

v1.0.208

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• Support serializing and deserializing unit structs in a flatten field (#​2802, thanks @​jonhoo)

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