build(deps): Bump serde from 1.0.203 to 1.0.204 in /rust (#6173)

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.203 to
1.0.204.
<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>v1.0.204</h2>
<ul>
<li>Apply #[diagnostic::on_unimplemented] attribute on Rust 1.78+ to
suggest adding serde derive or enabling a &quot;serde&quot; feature flag
in dependencies (<a
href="https://redirect.github.com/serde-rs/serde/issues/2767">#2767</a>,
thanks <a
href="https://github.com/weiznich"><code>@​weiznich</code></a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="18dcae0a77"><code>18dcae0</code></a>
Release 1.0.204</li>
<li><a
href="58c307f9cc"><code>58c307f</code></a>
Alphabetize list of rustc-check-cfg</li>
<li><a
href="8cc4809414"><code>8cc4809</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/serde/issues/2769">#2769</a>
from dtolnay/onunimpl</li>
<li><a
href="1179158def"><code>1179158</code></a>
Update ui test with diagnostic::on_unimplemented from PR 2767</li>
<li><a
href="91aa40e749"><code>91aa40e</code></a>
Add ui test of unsatisfied serde trait bound</li>
<li><a
href="595019e979"><code>595019e</code></a>
Cut test_suite from workspace members in old toolchain CI jobs</li>
<li><a
href="b0d7917f88"><code>b0d7917</code></a>
Pull in trybuild 'following types implement trait' fix</li>
<li><a
href="8e6637a1e4"><code>8e6637a</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/serde/issues/2767">#2767</a>
from weiznich/feature/diagnostic_on_unimplemented</li>
<li><a
href="694fe05953"><code>694fe05</code></a>
Use the <code>#[diagnostic::on_unimplemented]</code> attribute when
possible</li>
<li><a
href="f3dfd2a237"><code>f3dfd2a</code></a>
Suppress dead code warning in test of unit struct remote derive</li>
<li>Additional commits viewable in <a
href="https://github.com/serde-rs/serde/compare/v1.0.203...v1.0.204">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=1.0.203&new-version=1.0.204)](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 show <dependency name> ignore conditions` will show all
of the ignore conditions of the specified dependency
- `@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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

rust/Cargo.lock

@@ -5329,9 +5329,9 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.203"
+version = "1.0.204"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7253ab4de971e72fb7be983802300c30b5a7f0c2e56fab8abfc6a214307c0094"
+checksum = "bc76f558e0cbb2a839d37354c575f1dc3fdc6546b5be373ba43d95f231bf7c12"
 dependencies = [
  "serde_derive",
 ]
@@ -5358,9 +5358,9 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.203"
+version = "1.0.204"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "500cbc0ebeb6f46627f50f3f5811ccf6bf00643be300b4c3eabc0ef55dc5b5ba"
+checksum = "e0cd7e117be63d3c3678776753929474f3b04a43a080c744d6b0ae2a8c28e222"
 dependencies = [
  "proc-macro2",
  "quote",

rust/headless-client/Cargo.toml

@@ -20,7 +20,7 @@ humantime = "2.1"
 ip_network = { version = "0.4", default-features = false }
 phoenix-channel = { workspace = true }
 secrecy = { workspace = true }
-serde = { version = "1.0.203", features = ["derive"] }
+serde = { version = "1.0.204", features = ["derive"] }
 serde_json = "1.0.117"
 socket-factory = { workspace = true }
 thiserror = { version = "1.0", default-features = false }

rust/phoenix-channel/Cargo.toml

@@ -12,7 +12,7 @@ hex = "0.4"
 libc = "0.2"
 rand_core = "0.6.4"
 secrecy = { workspace = true }
-serde = { version = "1.0.203", features = ["derive"] }
+serde = { version = "1.0.204", features = ["derive"] }
 serde_json = "1.0.117"
 sha2 = "0.10.8"
 socket-factory = { workspace = true }

rust/relay/Cargo.toml

@@ -24,7 +24,7 @@ phoenix-channel = { path = "../phoenix-channel" }
 proptest = { version = "1", optional = true }
 rand = "0.8.5"
 secrecy = { workspace = true }
-serde = { version = "1.0.203", features = ["derive"] }
+serde = { version = "1.0.204", features = ["derive"] }
 sha2 = "0.10.8"
 socket-factory = { workspace = true }
 socket2 = { workspace = true }