Update Rust crate fastlanes to v0.1.6 (#426)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [fastlanes](https://togithub.com/spiraldb/fastlanes) |
workspace.dependencies | patch | `0.1.5` -> `0.1.6` |

---

### Release Notes

<details>
<summary>spiraldb/fastlanes (fastlanes)</summary>

###
[`v0.1.6`](https://togithub.com/spiraldb/fastlanes/blob/HEAD/CHANGELOG.md#016---2024-07-03)

[Compare
Source](https://togithub.com/spiraldb/fastlanes/compare/v0.1.5...v0.1.6)

##### Other

- reimplement Bitpacking::unpack_single
([#&#8203;42](https://togithub.com/spiraldb/fastlanes/pull/42))
- clippy works now, and is pedantic
([#&#8203;38](https://togithub.com/spiraldb/fastlanes/pull/38))
- aggressive clippy
([#&#8203;37](https://togithub.com/spiraldb/fastlanes/pull/37))
- pin nightly-2024-06-19
([#&#8203;36](https://togithub.com/spiraldb/fastlanes/pull/36))
- Apache license
([#&#8203;34](https://togithub.com/spiraldb/fastlanes/pull/34))

</details>

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