chore(deps): update dependency cspell to v8.15.6

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
cspell (source)	8.15.5 -> 8.15.6

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Release Notes

streetsidesoftware/cspell (cspell)

### [`v8.15.6`](https://redirect.github.com/streetsidesoftware/cspell/blob/HEAD/packages/cspell/CHANGELOG.md#small8156-2024-11-02-small) [Compare Source](https://redirect.github.com/streetsidesoftware/cspell/compare/v8.15.5...v8.15.6) - chore: Update Integration Test Performance Data ([#​6455](https://redirect.github.com/streetsidesoftware/cspell/issues/6455)) ([be8b15a](https://redirect.github.com/streetsidesoftware/cspell/commit/be8b15a)), closes [#​6455](https://redirect.github.com/streetsidesoftware/cspell/issues/6455)

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