chore(deps): Bump nkeys from 0.3.0 to 0.3.1 (vectordotdev#18056)

Bumps [nkeys](https://github.com/wasmcloud/nkeys) from 0.3.0 to 0.3.1.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/wasmCloud/nkeys/commit/5ffd0a59119e09b6f4812764aa7bf13048619782"><code>5ffd0a5</code></a>
chore: bump to 0.3.1 to fix failing build</li>
<li><a
href="https://github.com/wasmCloud/nkeys/commit/84af6701234ba988d694dfdc163487aab8bf92b1"><code>84af670</code></a>
require correct <code>ed25519</code> version to build</li>
<li>See full diff in <a
href="https://github.com/wasmcloud/nkeys/compare/v0.3.0...v0.3.1">compare
view</a></li>
</ul>
</details>
<br />


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Cargo.toml

@@ -285,7 +285,7 @@ maxminddb = { version = "0.23.0", default-features = false, optional = true }
 md-5 = { version = "0.10", default-features = false, optional = true }
 mongodb = { version = "2.6.0", default-features = false, features = ["tokio-runtime"], optional = true }
 nats = { version = "0.24.0", default-features = false, optional = true }
-nkeys = { version = "0.3.0", default-features = false, optional = true }
+nkeys = { version = "0.3.1", default-features = false, optional = true }
 nom = { version = "7.1.3", default-features = false, optional = true }
 notify = { version = "6.0.1", default-features = false, features = ["macos_fsevent"] }
 once_cell = { version = "1.18", default-features = false }