Update dependency cspell to v8.15.4 (#760)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [cspell](https://cspell.org/)
([source](https://redirect.github.com/streetsidesoftware/cspell/tree/HEAD/packages/cspell))
| [`8.15.3` ->
`8.15.4`](https://renovatebot.com/diffs/npm/cspell/8.15.3/8.15.4) |
[![age](https://developer.mend.io/api/mc/badges/age/npm/cspell/8.15.4?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/cspell/8.15.4?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/cspell/8.15.3/8.15.4?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/cspell/8.15.3/8.15.4?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>streetsidesoftware/cspell (cspell)</summary>

###
[`v8.15.4`](https://redirect.github.com/streetsidesoftware/cspell/blob/HEAD/packages/cspell/CHANGELOG.md#small8154-2024-10-18-small)

[Compare
Source](https://redirect.github.com/streetsidesoftware/cspell/compare/v8.15.3...v8.15.4)

- chore: Update Integration Test Performance Data
([#&#8203;6389](https://redirect.github.com/streetsidesoftware/cspell/issues/6389))
([7ece6a7](https://redirect.github.com/streetsidesoftware/cspell/commit/7ece6a7)),
closes
[#&#8203;6389](https://redirect.github.com/streetsidesoftware/cspell/issues/6389)

</details>

---

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---

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---

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