chore(deps): Update Rust crate snapbox to v0.6.16 (#329)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[snapbox](https://github.com/assert-rs/trycmd/tree/main/crates/snapbox)
([source](https://github.com/assert-rs/trycmd)) | dev-dependencies |
patch | `0.6.13` -> `0.6.16` |

---

### Release Notes

<details>
<summary>assert-rs/trycmd (snapbox)</summary>

###
[`v0.6.16`](https://github.com/assert-rs/trycmd/compare/snapbox-v0.6.15...snapbox-v0.6.16)

[Compare
Source](https://github.com/assert-rs/trycmd/compare/snapbox-v0.6.15...snapbox-v0.6.16)

###
[`v0.6.15`](https://github.com/assert-rs/trycmd/compare/snapbox-v0.6.14...snapbox-v0.6.15)

[Compare
Source](https://github.com/assert-rs/trycmd/compare/snapbox-v0.6.14...snapbox-v0.6.15)

###
[`v0.6.14`](https://github.com/assert-rs/trycmd/compare/snapbox-v0.6.13...snapbox-v0.6.14)

[Compare
Source](https://github.com/assert-rs/trycmd/compare/snapbox-v0.6.13...snapbox-v0.6.14)

</details>

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