chore(deps): bump tokio-util from 0.7.16 to 0.7.18 in /codex-rs (#9076)

Bumps [tokio-util](https://github.com/tokio-rs/tokio) from 0.7.16 to
0.7.18.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="9cc02cc88d"><code>9cc02cc</code></a>
chore: prepare tokio-util 0.7.18 (<a
href="https://redirect.github.com/tokio-rs/tokio/issues/7829">#7829</a>)</li>
<li><a
href="d2799d791b"><code>d2799d7</code></a>
task: improve the docs of <code>Builder::spawn_local</code> (<a
href="https://redirect.github.com/tokio-rs/tokio/issues/7828">#7828</a>)</li>
<li><a
href="4d4870f291"><code>4d4870f</code></a>
task: doc that task drops before JoinHandle completion (<a
href="https://redirect.github.com/tokio-rs/tokio/issues/7825">#7825</a>)</li>
<li><a
href="fdb150901a"><code>fdb1509</code></a>
fs: check for io-uring opcode support (<a
href="https://redirect.github.com/tokio-rs/tokio/issues/7815">#7815</a>)</li>
<li><a
href="426a562780"><code>426a562</code></a>
rt: remove <code>allow(dead_code)</code> after <code>JoinSet</code>
stabilization (<a
href="https://redirect.github.com/tokio-rs/tokio/issues/7826">#7826</a>)</li>
<li><a
href="e3b89bbefa"><code>e3b89bb</code></a>
chore: prepare Tokio v1.49.0 (<a
href="https://redirect.github.com/tokio-rs/tokio/issues/7824">#7824</a>)</li>
<li><a
href="4f577b84e9"><code>4f577b8</code></a>
Merge 'tokio-1.47.3' into 'master'</li>
<li><a
href="f320197693"><code>f320197</code></a>
chore: prepare Tokio v1.47.3 (<a
href="https://redirect.github.com/tokio-rs/tokio/issues/7823">#7823</a>)</li>
<li><a
href="ea6b144cd1"><code>ea6b144</code></a>
ci: freeze rustc on nightly-2025-01-25 in <code>netlify.toml</code> (<a
href="https://redirect.github.com/tokio-rs/tokio/issues/7652">#7652</a>)</li>
<li><a
href="264e703296"><code>264e703</code></a>
Merge <code>tokio-1.43.4</code> into <code>tokio-1.47.x</code> (<a
href="https://redirect.github.com/tokio-rs/tokio/issues/7822">#7822</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/tokio-rs/tokio/compare/tokio-util-0.7.16...tokio-util-0.7.18">compare
view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility
score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=tokio-util&package-manager=cargo&previous-version=0.7.16&new-version=0.7.18)](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>

codex-rs/Cargo.lock

@@ -7119,9 +7119,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-util"
-version = "0.7.16"
+version = "0.7.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14307c986784f72ef81c89db7d9e28d6ac26d16213b109ea501696195e6e3ce5"
+checksum = "9ae9cec805b01e8fc3fd2fe289f89149a9b66dd16786abd8b19cfa7b48cb0098"
 dependencies = [
  "bytes",
  "futures-core",

codex-rs/Cargo.toml

@@ -209,7 +209,7 @@ tiny_http = "0.12"
 tokio = "1"
 tokio-stream = "0.1.18"
 tokio-test = "0.4"
-tokio-util = "0.7.16"
+tokio-util = "0.7.18"
 toml = "0.9.5"
 toml_edit = "0.24.0"
 tracing = "0.1.43"