Update Rust crate futures-util to 0.3.26

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
futures-util (source)	dependencies	patch	0.3.25 -> 0.3.26

---

Release Notes

rust-lang/futures-rs

### [`v0.3.26`](https://togithub.com/rust-lang/futures-rs/blob/HEAD/CHANGELOG.md#​0326---2023-01-30) [Compare Source](https://togithub.com/rust-lang/futures-rs/compare/0.3.25...0.3.26) - Add `Either::as_pin_mut` and `Either::as_pin_ref` ([#​2691](https://togithub.com/rust-lang/futures-rs/issues/2691)) - Add `Shared::ptr_eq` and `Shared::ptr_hash` ([#​2691](https://togithub.com/rust-lang/futures-rs/issues/2691)) - Implement `FusedStream` for `Buffered` ([#​2676](https://togithub.com/rust-lang/futures-rs/issues/2676)) - Implement `FusedStream` for all streams in `ReadyChunks` ([#​2693](https://togithub.com/rust-lang/futures-rs/issues/2693)) - Fix bug in `FuturesOrdered::push_front` ([#​2664](https://togithub.com/rust-lang/futures-rs/issues/2664)) - Remove `Fut::Output: Clone` bounds from some `Shared` methods ([#​2662](https://togithub.com/rust-lang/futures-rs/issues/2662)) - Remove `T: Debug` bounds from `Debug` implementations of `mpsc` and `oneshot` types ([#​2666](https://togithub.com/rust-lang/futures-rs/issues/2666), [#​2667](https://togithub.com/rust-lang/futures-rs/issues/2667))

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.