deps: update rust crate serde to v1.0.211 (#234)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [serde](https://serde.rs)
([source](https://redirect.github.com/serde-rs/serde)) | dependencies |
patch | `1.0.210` -> `1.0.211` |

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### Release Notes

<details>
<summary>serde-rs/serde (serde)</summary>

###
[`v1.0.211`](https://redirect.github.com/serde-rs/serde/compare/v1.0.210...v1.0.211)

[Compare
Source](https://redirect.github.com/serde-rs/serde/compare/v1.0.210...v1.0.211)

</details>

---

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