Update Rust crate smallvec to v1.14.0 (#16201)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [smallvec](https://redirect.github.com/servo/rust-smallvec) |
workspace.dependencies | minor | `1.13.2` -> `1.14.0` |

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

---

### Release Notes

<details>
<summary>servo/rust-smallvec (smallvec)</summary>

###
[`v1.14.0`](https://redirect.github.com/servo/rust-smallvec/releases/tag/v1.14.0)

[Compare
Source](https://redirect.github.com/servo/rust-smallvec/compare/v1.13.2...v1.14.0)

#### What's Changed

- Implement `MallocSizeOf` for SmallVec (v1) by
[@&#8203;nicoburns](https://redirect.github.com/nicoburns) in
[https://github.com/servo/rust-smallvec/pull/370](https://redirect.github.com/servo/rust-smallvec/pull/370)

#### New Contributors

- [@&#8203;nicoburns](https://redirect.github.com/nicoburns) made their
first contribution in
[https://github.com/servo/rust-smallvec/pull/370](https://redirect.github.com/servo/rust-smallvec/pull/370)

**Full Changelog**:
https://github.com/servo/rust-smallvec/compare/v1.13.2...v1.14.0

</details>

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Cargo.lock

@@ -3550,9 +3550,9 @@ checksum = "56199f7ddabf13fe5074ce809e7d3f42b42ae711800501b5b16ea82ad029c39d"
 
 [[package]]
 name = "smallvec"
-version = "1.13.2"
+version = "1.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
+checksum = "7fcf8323ef1faaee30a44a340193b1ac6814fd9b7b4e88e9d4519a3e4abe1cfd"
 
 [[package]]
 name = "snapbox"