chore(deps): update rust crate rand to 0.9.1 (#2293)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [rand](https://rust-random.github.io/book)
([source](https://redirect.github.com/rust-random/rand)) |
workspace.dependencies | patch | `0.9.0` -> `0.9.1` |

---

### Release Notes

<details>
<summary>rust-random/rand (rand)</summary>

###
[`v0.9.1`](https://redirect.github.com/rust-random/rand/blob/HEAD/CHANGELOG.md#091---2025-04-17)

[Compare
Source](https://redirect.github.com/rust-random/rand/compare/0.9.0...0.9.1)

##### Security and unsafe

- Revise "not a crypto library" policy again
([#&#8203;1565](https://redirect.github.com/rust-random/rand/issues/1565))
- Remove `zerocopy` dependency from `rand`
([#&#8203;1579](https://redirect.github.com/rust-random/rand/issues/1579))

##### Fixes

- Fix feature `simd_support` for recent nightly rust
([#&#8203;1586](https://redirect.github.com/rust-random/rand/issues/1586))

##### Changes

- Allow `fn rand::seq::index::sample_weighted` and `fn
IndexedRandom::choose_multiple_weighted` to return fewer than `amount`
results
([#&#8203;1623](https://redirect.github.com/rust-random/rand/issues/1623)),
reverting an undocumented change
([#&#8203;1382](https://redirect.github.com/rust-random/rand/issues/1382))
to the previous release.

##### Additions

- Add `rand::distr::Alphabetic` distribution.
([#&#8203;1587](https://redirect.github.com/rust-random/rand/issues/1587))
- Re-export `rand_core`
([#&#8203;1604](https://redirect.github.com/rust-random/rand/issues/1604))

</details>

---

### Configuration

📅 **Schedule**: Branch creation - "after 8pm,before 6am" in timezone
America/Los_Angeles, Automerge - "after 8pm,before 6am" in timezone
America/Los_Angeles.

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the
rebase/retry checkbox.

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

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR has been generated by [Renovate
Bot](https://redirect.github.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS4yNTAuMyIsInVwZGF0ZWRJblZlciI6IjM5LjI1MC4zIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJkZXBlbmRlbmNpZXMiXX0=-->

Author: nextest-bot

Cargo.lock

@@ -96,7 +96,7 @@ pin-project-lite = "0.2.16"
 pretty_assertions = "1.4.1"
 proptest = "1.6.0"
 quick-junit = "0.5.1"
-rand = "0.9.0"
+rand = "0.9.1"
 recursion = "0.5.2"
 regex = "1.11.1"
 regex-syntax = "0.8.5"