Build(deps-dev): Bump cspell from 5.16.0 to 6.8.1 (#2610)

Bumps [cspell](https://github.com/streetsidesoftware/cspell) from 5.16.0 to 6.8.1.
- [Release notes](https://github.com/streetsidesoftware/cspell/releases)
- [Changelog](https://github.com/streetsidesoftware/cspell/blob/main/CHANGELOG.md)
- [Commits](https://github.com/streetsidesoftware/cspell/compare/v5.16.0...v6.8.1)

---
updated-dependencies:
- dependency-name: cspell
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -81,7 +81,7 @@
     "browser-sync": "^2.27.7",
     "commander": "^6.1.0",
     "connect-history-api-fallback": "^1.6.0",
-    "cspell": "^5.16.0",
+    "cspell": "^6.8.1",
     "dotenv": "8.2.0",
     "dotenv-expand": "^5.1.0",
     "envsub": "^4.0.7",