chore(deps): update dependency camelcase to v9 (#5686)

This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
| [camelcase](https://redirect.github.com/sindresorhus/camelcase) |
[`^8.0.0` ->
`^9.0.0`](https://renovatebot.com/diffs/npm/camelcase/8.0.0/9.0.0) |
[![age](https://developer.mend.io/api/mc/badges/age/npm/camelcase/9.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/camelcase/8.0.0/9.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>sindresorhus/camelcase (camelcase)</summary>

###
[`v9.0.0`](https://redirect.github.com/sindresorhus/camelcase/releases/tag/v9.0.0)

[Compare
Source](https://redirect.github.com/sindresorhus/camelcase/compare/v8.0.0...v9.0.0)

##### Breaking

- Require Node.js 20
[`3fcce3b`](https://redirect.github.com/sindresorhus/camelcase/commit/3fcce3b)
- Preserve leading underscores and dollar signs
[`79b9a64`](https://redirect.github.com/sindresorhus/camelcase/commit/79b9a64)

##### Improvements

- Add `capitalizeAfterNumber` option
[`552b7f1`](https://redirect.github.com/sindresorhus/camelcase/commit/552b7f1)

***

</details>

---

### 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 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 was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/eggjs/egg).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0MS4xNzMuMSIsInVwZGF0ZWRJblZlciI6IjQxLjE3My4xIiwidGFyZ2V0QnJhbmNoIjoibmV4dCIsImxhYmVscyI6W119-->

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

Author: renovate[bot]

pnpm-workspace.yaml

@@ -79,7 +79,7 @@ catalog:
   bytes: ^3.1.2
   c8: ^10.1.3
   cache-content-type: ^2.0.0
-  camelcase: ^8.0.0
+  camelcase: ^9.0.0
   cfork: ^2.0.0
   cheerio: ^1.0.0
   ci-parallel-vars: ^1.0.1