Build(deps): Bump streetsidesoftware/cspell-action from 5 to 6 (#39730)

Bumps [streetsidesoftware/cspell-action](https://github.com/streetsidesoftware/cspell-action) from 5 to 6.
- [Release notes](https://github.com/streetsidesoftware/cspell-action/releases)
- [Changelog](https://github.com/streetsidesoftware/cspell-action/blob/main/CHANGELOG.md)
- [Commits](https://github.com/streetsidesoftware/cspell-action/compare/v5...v6)

---
updated-dependencies:
- dependency-name: streetsidesoftware/cspell-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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