Bump futures from 0.3.30 to 0.3.31 (#6252)

Bumps [futures](https://github.com/rust-lang/futures-rs) from 0.3.30 to
0.3.31.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/rust-lang/futures-rs/releases">futures's
releases</a>.</em></p>
<blockquote>
<h2>0.3.31</h2>
<ul>
<li>Fix use after free of task in <code>FuturesUnordered</code> when
dropped future panics (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2886">#2886</a>)</li>
<li>Fix soundness bug in <code>task::waker_ref</code> (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2830">#2830</a>)
This is a breaking change but allowed because it is soundness bug
fix.</li>
<li>Fix bugs in <code>AsyncBufRead::read_line</code> and
<code>AsyncBufReadExt::lines</code> (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2884">#2884</a>)</li>
<li>Fix parsing issue in
<code>select!</code>/<code>select_biased!</code> (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2832">#2832</a>)
This is technically a breaking change as it will now reject a very odd
undocumented syntax that was previously accidentally accepted.</li>
<li>Work around issue due to upstream <code>Waker::will_wake</code>
change (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2865">#2865</a>)</li>
<li>Add <code>stream::Iter::{get_ref,get_mut,into_inner}</code> (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2875">#2875</a>)</li>
<li>Add <code>future::AlwaysReady</code> (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2825">#2825</a>)</li>
<li>Relax trait bound on non-constructor methods of
<code>io::{BufReader,BufWriter}</code> (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2848">#2848</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/rust-lang/futures-rs/blob/master/CHANGELOG.md">futures's
changelog</a>.</em></p>
<blockquote>
<h1>0.3.31 - 2024-10-05</h1>
<ul>
<li>Fix use after free of task in <code>FuturesUnordered</code> when
dropped future panics (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2886">#2886</a>)</li>
<li>Fix soundness bug in <code>task::waker_ref</code> (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2830">#2830</a>)
This is a breaking change but allowed because it is soundness bug
fix.</li>
<li>Fix bugs in <code>AsyncBufRead::read_line</code> and
<code>AsyncBufReadExt::lines</code> (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2884">#2884</a>)</li>
<li>Fix parsing issue in
<code>select!</code>/<code>select_biased!</code> (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2832">#2832</a>)
This is technically a breaking change as it will now reject a very odd
undocumented syntax that was previously accidentally accepted.</li>
<li>Work around issue due to upstream <code>Waker::will_wake</code>
change (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2865">#2865</a>)</li>
<li>Add <code>stream::Iter::{get_ref,get_mut,into_inner}</code> (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2875">#2875</a>)</li>
<li>Add <code>future::AlwaysReady</code> (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2825">#2825</a>)</li>
<li>Relax trait bound on non-constructor methods of
<code>io::{BufReader,BufWriter}</code> (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2848">#2848</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/rust-lang/futures-rs/commit/1e052816b09890925cfdfcbe8d390cdaae5e4c38"><code>1e05281</code></a>
Release 0.3.31</li>
<li><a
href="https://github.com/rust-lang/futures-rs/commit/8a8b085a8c1a7396173a104c67e0cf2f5b74fc74"><code>8a8b085</code></a>
Fix clippy::uninit_vec warning</li>
<li><a
href="https://github.com/rust-lang/futures-rs/commit/f3fb74df310d070d91df7995c942f223cba6720a"><code>f3fb74d</code></a>
Document how <code>BoxFuture</code>s / <code>BoxStream</code>s are often
made (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2887">#2887</a>)</li>
<li><a
href="https://github.com/rust-lang/futures-rs/commit/f00e7afb467e5f9b3c81724cc3cac1f0687fff7c"><code>f00e7af</code></a>
Fix use after free of task in FuturesUnordered when dropped future
panics (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2">#2</a>...</li>
<li><a
href="https://github.com/rust-lang/futures-rs/commit/33c46b3dc65e151e0e794636ad62872330733557"><code>33c46b3</code></a>
ci: Work around sanitizer issue on latest Linux kernel</li>
<li><a
href="https://github.com/rust-lang/futures-rs/commit/7bf5a72826c0daed633ec48e8ddaecd8a32f0d11"><code>7bf5a72</code></a>
Fix issues with <code>AsyncBufRead::read_line</code> and
<code>AsyncBufReadExt::lines</code> (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2884">#2884</a>)</li>
<li><a
href="https://github.com/rust-lang/futures-rs/commit/87afaf3973e8652228f7ccaadd04e7b0e456c63d"><code>87afaf3</code></a>
Use <code>#[inline(always)]</code> on <code>clone_arc_raw</code> (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2865">#2865</a>)</li>
<li><a
href="https://github.com/rust-lang/futures-rs/commit/549b90b1793a044bcade67b81a3d7eabd95f3971"><code>549b90b</code></a>
Add accessors for the inner of stream::Iter (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2875">#2875</a>)</li>
<li><a
href="https://github.com/rust-lang/futures-rs/commit/07b004ac7e0d72e09ff652f234d00e4f26a5f558"><code>07b004a</code></a>
Add missing symbols (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2883">#2883</a>)</li>
<li><a
href="https://github.com/rust-lang/futures-rs/commit/86dc069fa278d4197de91eb6e038e0ec64857684"><code>86dc069</code></a>
Various fixes too make the CI green (<a
href="https://redirect.github.com/rust-lang/futures-rs/issues/2885">#2885</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/rust-lang/futures-rs/compare/0.3.30...0.3.31">compare
view</a></li>
</ul>
</details>
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Cargo.toml

@@ -792,7 +792,7 @@ frame-system-rpc-runtime-api = { path = "substrate/frame/system/rpc/runtime-api"
 frame-try-runtime = { path = "substrate/frame/try-runtime", default-features = false }
 fs4 = { version = "0.7.0" }
 fs_extra = { version = "1.3.0" }
-futures = { version = "0.3.30" }
+futures = { version = "0.3.31" }
 futures-channel = { version = "0.3.23" }
 futures-timer = { version = "3.0.2" }
 futures-util = { version = "0.3.30", default-features = false }