build(deps): Bump serde from 1.0.209 to 1.0.210 in /rust (#6642)

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.209 to
1.0.210.
<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>v1.0.210</h2>
<ul>
<li>Support serializing and deserializing <code>IpAddr</code> and
<code>SocketAddr</code> in no-std mode on Rust 1.77+ (<a
href="https://redirect.github.com/serde-rs/serde/issues/2816">#2816</a>,
thanks <a
href="https://github.com/MathiasKoch"><code>@​MathiasKoch</code></a>)</li>
<li>Make <code>serde::ser::StdError</code> and
<code>serde::de::StdError</code> equivalent to
<code>core::error::Error</code> on Rust 1.81+ (<a
href="https://redirect.github.com/serde-rs/serde/issues/2818">#2818</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="89c4b02bf3"><code>89c4b02</code></a>
Release 1.0.210</li>
<li><a
href="eeb8e44cda"><code>eeb8e44</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/serde/issues/2818">#2818</a>
from dtolnay/coreerror</li>
<li><a
href="785c2d9605"><code>785c2d9</code></a>
Stabilize no-std StdError trait</li>
<li><a
href="d549f048e1"><code>d549f04</code></a>
Reformat parse_ip_impl definition and calls</li>
<li><a
href="4c0dd63011"><code>4c0dd63</code></a>
Delete attr support from core::net deserialization macros</li>
<li><a
href="26fb134165"><code>26fb134</code></a>
Relocate cfg attrs out of parse_ip_impl and parse_socket_impl</li>
<li><a
href="07e614b52b"><code>07e614b</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/serde/issues/2817">#2817</a>
from dtolnay/corenet</li>
<li><a
href="b1f899fbe8"><code>b1f899f</code></a>
Delete doc(cfg) attribute from impls that are supported in no-std</li>
<li><a
href="b4f860e627"><code>b4f860e</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/serde/issues/2816">#2816</a>
from MathiasKoch/chore/core-net</li>
<li><a
href="d940fe1b49"><code>d940fe1</code></a>
Reuse existing Buf wrapper as replacement for std::io::Write</li>
<li>Additional commits viewable in <a
href="https://github.com/serde-rs/serde/compare/v1.0.209...v1.0.210">compare
view</a></li>
</ul>
</details>
<br />


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rust/Cargo.lock

@@ -5345,9 +5345,9 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.209"
+version = "1.0.210"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99fce0ffe7310761ca6bf9faf5115afbc19688edd00171d81b1bb1b116c63e09"
+checksum = "c8e3592472072e6e22e0a54d5904d9febf8508f65fb8552499a1abc7d1078c3a"
 dependencies = [
  "serde_derive",
 ]
@@ -5363,9 +5363,9 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.209"
+version = "1.0.210"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a5831b979fd7b5439637af1752d535ff49f4860c0f341d1baeb6faf0f4242170"
+checksum = "243902eda00fad750862fc144cea25caca5e20d615af0a81bee94ca738f1df1f"
 dependencies = [
  "proc-macro2",
  "quote",

rust/headless-client/Cargo.toml

@@ -21,7 +21,7 @@ ip_network = { version = "0.4", default-features = false }
 phoenix-channel = { workspace = true }
 rustls = { workspace = true }
 secrecy = { workspace = true }
-serde = { version = "1.0.209", features = ["derive"] }
+serde = { version = "1.0.210", features = ["derive"] }
 serde_json = "1.0.125"
 serde_variant = "0.1.3"
 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 = "1.0.209", features = ["derive"] }
+serde = { version = "1.0.210", features = ["derive"] }
 serde_json = "1.0.125"
 sha2 = "0.10.8"
 socket-factory = { workspace = true }

rust/relay/Cargo.toml

@@ -25,7 +25,7 @@ proptest = { version = "1", optional = true }
 rand = "0.8.5"
 rustls = { workspace = true }
 secrecy = { workspace = true }
-serde = { version = "1.0.209", features = ["derive"] }
+serde = { version = "1.0.210", features = ["derive"] }
 sha2 = "0.10.8"
 smallvec = "1.13.2"
 socket-factory = { workspace = true }