chore(deps): update fumadocs packages to v16.4.2 (#1048)

This PR contains the following updates:

| Package | Type | Update | Change | OpenSSF |
|---|---|---|---|---|
| [fumadocs-core](https://fumadocs.dev)
([source](https://redirect.github.com/fuma-nama/fumadocs)) |
dependencies | patch | [`16.4.1` →
`16.4.2`](https://renovatebot.com/diffs/npm/fumadocs-core/16.4.1/16.4.2)
| [![OpenSSF
Scorecard](https://api.securityscorecards.dev/projects/github.com/fuma-nama/fumadocs/badge)](https://securityscorecards.dev/viewer/?uri=github.com/fuma-nama/fumadocs)
|
| [fumadocs-ui](https://fumadocs.dev)
([source](https://redirect.github.com/fuma-nama/fumadocs)) |
dependencies | patch | [`16.4.1` →
`16.4.2`](https://renovatebot.com/diffs/npm/fumadocs-ui/16.4.1/16.4.2) |
[![OpenSSF
Scorecard](https://api.securityscorecards.dev/projects/github.com/fuma-nama/fumadocs/badge)](https://securityscorecards.dev/viewer/?uri=github.com/fuma-nama/fumadocs)
|

---

### Release Notes

<details>
<summary>fuma-nama/fumadocs (fumadocs-core)</summary>

###
[`v16.4.2`](https://redirect.github.com/fuma-nama/fumadocs/releases/tag/fumadocs-ui%4016.4.2)

[Compare
Source](https://redirect.github.com/fuma-nama/fumadocs/compare/[email protected]@16.4.2)

##### Patch Changes

-
[`b16a32f`](https://redirect.github.com/fuma-nama/fumadocs/commit/b16a32f):
Switch to tsdown for bundling
- Updated dependencies
\[[`590d36a`](https://redirect.github.com/fuma-nama/fumadocs/commit/590d36a)]
- Updated dependencies
\[[`98d38ff`](https://redirect.github.com/fuma-nama/fumadocs/commit/98d38ff)]
- Updated dependencies
\[[`446631d`](https://redirect.github.com/fuma-nama/fumadocs/commit/446631d)]
- Updated dependencies
\[[`b16a32f`](https://redirect.github.com/fuma-nama/fumadocs/commit/b16a32f)]
  - fumadocs-core\@&#8203;16.4.2
-
[@&#8203;fumadocs/ui](https://redirect.github.com/fumadocs/ui)@&#8203;16.4.2

</details>

---

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<!-- This is an auto-generated description by cubic. -->
---
## Summary by cubic
Update fumadocs-core and fumadocs-ui to 16.4.2. Picks up the tsdown
bundling update and minor dependency changes.

<sup>Written for commit c96a74a.
Summary will update on new commits.</sup>

<!-- End of auto-generated description by cubic. -->

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

Author: renovate[bot]

bun.lock

@@ -34,10 +34,10 @@
     "@settlemint/sdk-viem": "2.6.4",
     "ai": "5.0.117",
     "class-variance-authority": "0.7.1",
-    "fumadocs-core": "16.4.1",
+    "fumadocs-core": "16.4.2",
     "fumadocs-mdx": "13.0.8",
     "fumadocs-typescript": "4.0.14",
-    "fumadocs-ui": "16.4.1",
+    "fumadocs-ui": "16.4.2",
     "hast-util-to-jsx-runtime": "2.3.6",
     "lucide-react": "0.562.0",
     "mermaid": "11.12.2",