Merge #1495

1495: chore(deps): bump arc-swap from 0.4.1 to 0.4.2 r=zhangsoledad a=dependabot-preview[bot]

Bumps [arc-swap](https://github.com/vorner/arc-swap) from 0.4.1 to 0.4.2.
<details>
<summary>Changelog</summary>

*Sourced from [arc-swap's changelog](https://github.com/vorner/arc-swap/blob/master/CHANGELOG.md).*

> # 0.4.2
> 
> * The Access functionality ‒ ability to pass a handle to subpart of held data to
>   somewhere with the ability to update itself.
> * Mapped cache can take `FnMut` as well as `Fn`.
</details>
<details>
<summary>Commits</summary>

- [`24df2c9`](vorner/arc-swap@24df2c9) Version bump to 0.4.2
- [`e961fb1`](vorner/arc-swap@e961fb1) Notes about safety
- [`fa4d95b`](vorner/arc-swap@fa4d95b) Documentation and tests for the Access feature
- [`e472d8b`](vorner/arc-swap@e472d8b) Constant access type
- [`d2119fc`](vorner/arc-swap@d2119fc) Make it 1.26.0 compatible again
- [`b29e570`](vorner/arc-swap@b29e570) The ArcSwapAny::map
- [`3452a01`](vorner/arc-swap@3452a01) The Access trait
- [`b88b30a`](vorner/arc-swap@b88b30a) Make the mapped cache accept FnMut.
- [`a0caa48`](vorner/arc-swap@a0caa48) Deps updates
- [`c661240`](vorner/arc-swap@c661240) Merge pull request [#21](https://github-redirect.dependabot.com/vorner/arc-swap/issues/21) from zyctree/patch-1
- Additional commits viewable in [compare view](vorner/arc-swap@v0.4.1...v0.4.2)
</details>
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[![Dependabot compatibility score](https://api.dependabot.com/badges/compatibility_score?dependency-name=arc-swap&package-manager=cargo&previous-version=0.4.1&new-version=0.4.2)](https://dependabot.com/compatibility-score.html?dependency-name=arc-swap&package-manager=cargo&previous-version=0.4.1&new-version=0.4.2)

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Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>