chore(deps): update rust crate serde to v1.0.216 (#119)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [serde](https://serde.rs)
([source](https://redirect.github.com/serde-rs/serde)) | dependencies |
patch | `1.0.215` -> `1.0.216` |

---

### Release Notes

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

###
[`v1.0.216`](https://redirect.github.com/serde-rs/serde/releases/tag/v1.0.216)

[Compare
Source](https://redirect.github.com/serde-rs/serde/compare/v1.0.215...v1.0.216)

- Mark all generated impls with #\[automatically_derived] to exclude
from code coverage
([#&#8203;2866](https://redirect.github.com/serde-rs/serde/issues/2866),
[#&#8203;2868](https://redirect.github.com/serde-rs/serde/issues/2868),
thanks [@&#8203;tdittr](https://redirect.github.com/tdittr))

</details>

---

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