Update Rust crate memmap2 to v0.9.11 [SECURITY] (#8545)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [memmap2](https://crates.io/crates/memmap2) | workspace.dependencies |
patch | `0.9.10` → `0.9.11` |

---

> [!WARNING]
> Some dependencies could not be looked up. Check the [Dependency
Dashboard](../issues/357) for more information.

---

### Unchecked pointer offset in crate `memmap2`

[RUSTSEC-2026-0186](https://rustsec.org/advisories/RUSTSEC-2026-0186.html)

<details>
<summary>More information</summary>

#### Details
Affected versionf of `memmap2` did not perform enough validation on the
`offset` and `len` parameters of
`Mmap::[unchecked_]advise_range()`,
`MmapMut::[unchecked_]advise_ranage()`
and `MmapMut::flush[_async]_range()`.

This can cause undefined behavior due to invalid values being passed to
[`pointer::offset()`] and [`pointer::add()`]
when passing an out-of-bounds range to any of the affected functions.

The flaw was corrected in commit [`cee7cf0`] and released in version
`0.9.11`.

The invalid pointer is not dereferenced,
but it is passed to the `madvise` and `msync` syscalls and their Windows
equivalents.

[`pointer::offset()`]:
https://doc.rust-lang.org/stable/std/primitive.pointer.html#method.offset-1
[`pointer::add()`]:
https://doc.rust-lang.org/stable/std/primitive.pointer.html#method.add-1
[`cee7cf0`]
[https://github.com/RazrFalcon/memmap2-rs/pull/170](https://redirect.github.com/RazrFalcon/memmap2-rs/pull/170)/changes/cee7cf03a9ee095982a3c37b7aac8e3f68f1a00c

#### Severity
Unknown

#### References
- [https://crates.io/crates/memmap2](https://crates.io/crates/memmap2)
-
[https://rustsec.org/advisories/RUSTSEC-2026-0186.html](https://rustsec.org/advisories/RUSTSEC-2026-0186.html)
-
[https://github.com/RazrFalcon/memmap2-rs/issues/169](https://redirect.github.com/RazrFalcon/memmap2-rs/issues/169)
-
[https://github.com/RazrFalcon/memmap2-rs/pull/170](https://redirect.github.com/RazrFalcon/memmap2-rs/pull/170)

This data is provided by
[OSV](https://osv.dev/vulnerability/RUSTSEC-2026-0186) and the [Rust
Advisory Database](https://redirect.github.com/RustSec/advisory-db)
([CC0
1.0](https://redirect.github.com/rustsec/advisory-db/blob/main/LICENSE.txt)).
</details>

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