Update Rust crate mdbook to v0.4.45 (#25193)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [mdbook](https://redirect.github.com/rust-lang/mdBook) | dependencies
| patch | `0.4.44` -> `0.4.45` |

---

### Release Notes

<details>
<summary>rust-lang/mdBook (mdbook)</summary>

###
[`v0.4.45`](https://redirect.github.com/rust-lang/mdBook/blob/HEAD/CHANGELOG.md#mdBook-0445)

[Compare
Source](https://redirect.github.com/rust-lang/mdBook/compare/v0.4.44...v0.4.45)


[v0.4.44...v0.4.45](https://redirect.github.com/rust-lang/mdBook/compare/v0.4.44...v0.4.45)

##### Changed

-   Added context to error message when rustdoc is not found.
[#&#8203;2545](https://redirect.github.com/rust-lang/mdBook/pull/2545)
-   Slightly changed the styling rules around margins of footnotes.
[#&#8203;2524](https://redirect.github.com/rust-lang/mdBook/pull/2524)

##### Fixed

-   Fixed an issue where it would panic if a source_path is not set.
[#&#8203;2550](https://redirect.github.com/rust-lang/mdBook/pull/2550)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - "after 3pm on Wednesday" in timezone
America/New_York, 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.

---

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

---

Release Notes:

- N/A

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS4xNzMuMSIsInVwZGF0ZWRJblZlciI6IjM5LjE3My4xIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6W119-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Cargo.lock

@@ -7754,9 +7754,9 @@ dependencies = [
 
 [[package]]
 name = "mdbook"
-version = "0.4.44"
+version = "0.4.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9da1e54401fe5d45a664c57e112e70f18e8c5a73e268c179305b932ee864574"
+checksum = "b07d36d96ffe1b5b16ddf2bc80b3b26bb7a498b2a6591061250bf0af8e8095ad"
 dependencies = [
  "ammonia",
  "anyhow",
@@ -10297,7 +10297,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "22505a5c94da8e3b7c2996394d1c933236c4d743e81a410bcca4e6989fc066a4"
 dependencies = [
  "bytes 1.10.0",
- "heck 0.5.0",
+ "heck 0.4.1",
  "itertools 0.12.1",
  "log",
  "multimap 0.10.0",
@@ -15683,7 +15683,7 @@ version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf221c93e13a30d793f7645a0e7762c55d169dbb0a49671918a2319d289b10bb"
 dependencies = [
- "windows-sys 0.59.0",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]