[chore(cargo)](deps): Bump serde from 1.0.175 to 1.0.180 (#215)

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.175 to
1.0.180.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/serde-rs/serde/releases">serde's
releases</a>.</em></p>
<blockquote>
<h2>v1.0.180</h2>
<ul>
<li>Update to 2018 edition</li>
</ul>
<h2>v1.0.179</h2>
<ul>
<li>Support serialization of tuple variants inside a flattened field (<a
href="https://redirect.github.com/serde-rs/serde/issues/2448">#2448</a>,
thanks <a
href="https://github.com/Mingun"><code>@​Mingun</code></a>)</li>
</ul>
<h2>v1.0.178</h2>
<ul>
<li>Fix build error when using serde with &quot;std&quot; feature turned
off and &quot;unstable&quot; feature turned on (<a
href="https://redirect.github.com/serde-rs/serde/issues/2541">#2541</a>)</li>
</ul>
<h2>v1.0.177</h2>
<ul>
<li>Add <code>serde(rename_all_fields = &quot;...&quot;)</code>
attribute to apply a <code>rename_all</code> on every struct variant of
an enum (<a
href="https://redirect.github.com/serde-rs/serde/issues/1695">#1695</a>,
thanks <a
href="https://github.com/jplatte"><code>@​jplatte</code></a>)</li>
<li>Improve diagnostics for attribute parse errors (<a
href="https://redirect.github.com/serde-rs/serde/issues/2536">#2536</a>,
thanks <a
href="https://github.com/jplatte"><code>@​jplatte</code></a>)</li>
</ul>
<h2>v1.0.176</h2>
<ul>
<li>Allow tag field of an internally tagged enum to have same name as a
field inside a skipped struct variant (<a
href="https://redirect.github.com/serde-rs/serde/issues/2266">#2266</a>,
thanks <a
href="https://github.com/flisky"><code>@​flisky</code></a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/serde-rs/serde/commit/033d05f70b539226818403422295e16cf15bb3c4"><code>033d05f</code></a>
Release 1.0.180</li>
<li><a
href="https://github.com/serde-rs/serde/commit/fe4e3fd3b0d59e8e2bfed071b234dbae5fd779c1"><code>fe4e3fd</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/serde/issues/2547">#2547</a>
from dtolnay/tombstone</li>
<li><a
href="https://github.com/serde-rs/serde/commit/8a8a8a70ee8f32339623d77d44af53a39951ddd9"><code>8a8a8a7</code></a>
Delete tombstones of the __private module</li>
<li><a
href="https://github.com/serde-rs/serde/commit/339dca828dcece3a8e2d928a65ceceb5664efc6a"><code>339dca8</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/serde/issues/2546">#2546</a>
from dtolnay/edition</li>
<li><a
href="https://github.com/serde-rs/serde/commit/0d7349fa4e1f5edf55da03a284c856056f335b60"><code>0d7349f</code></a>
Resolve ambiguous core import on rustc 1.64 through 1.71</li>
<li><a
href="https://github.com/serde-rs/serde/commit/830528d5b109fc1e8a0c4cbe720d88e881b12088"><code>830528d</code></a>
Update to 2018 edition</li>
<li><a
href="https://github.com/serde-rs/serde/commit/ab90fbc7c982234788f64fc3d89c5d59c58ab767"><code>ab90fbc</code></a>
Apply 'cargo fix --edition'</li>
<li><a
href="https://github.com/serde-rs/serde/commit/3eec111e8f8c1a17db55d55f3aeb52a6a9be53de"><code>3eec111</code></a>
Delete support for compilers without crate::-based module system</li>
<li><a
href="https://github.com/serde-rs/serde/commit/93884336421a07c9d7f32881ee8f78228d31b066"><code>9388433</code></a>
Rename 'try!' macro to 'tri!' in preparation for 2018 edition</li>
<li><a
href="https://github.com/serde-rs/serde/commit/ba120706652cd71684e04cb1e1d9589c964d248d"><code>ba12070</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/serde/issues/2545">#2545</a>
from dtolnay/up</li>
<li>Additional commits viewable in <a
href="https://github.com/serde-rs/serde/compare/v1.0.175...v1.0.180">compare
view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility
score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=serde&package-manager=cargo&previous-version=1.0.175&new-version=1.0.180)](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>

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>