Auto merge of servo#28949 - servo:dependabot/cargo/bit-set-0.5.3, r=jdm

Bump bit-set from 0.5.2 to 0.5.3

Bumps [bit-set](https://github.com/contain-rs/bit-set) from 0.5.2 to 0.5.3.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/contain-rs/bit-set/releases">bit-set's releases</a>.</em></p>
<blockquote>
<h2>v0.5.3</h2>
<ul>
<li>fixes shrink_to_fit bug</li>
<li>fixes ci</li>
<li>fmts</li>
<li>cleans up readme</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a href="https://github.com/contain-rs/bit-set/commits/v0.5.3">compare view</a></li>
</ul>
</details>
<br />

[![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=bit-set&package-manager=cargo&previous-version=0.5.2&new-version=0.5.3)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it
- `@dependabot merge` will merge this PR after your CI passes on it
- `@dependabot squash and merge` will squash and merge this PR after your CI passes on it
- `@dependabot cancel merge` will cancel a previously requested merge and block automerging
- `@dependabot reopen` will reopen this PR if it is closed
- `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
- `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
- `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
- `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

</details>

Author: bors-servo