ci(deps): Bump streetsidesoftware/cspell-action from 8.3.0 to 8.4.0

Bumps [streetsidesoftware/cspell-action](https://github.com/streetsidesoftware/cspell-action) from 8.3.0 to 8.4.0.
- [Release notes](https://github.com/streetsidesoftware/cspell-action/releases)
- [Changelog](https://github.com/streetsidesoftware/cspell-action/blob/main/CHANGELOG.md)
- [Commits](streetsidesoftware/cspell-action@v8.3.0...v8.4.0)

---
updated-dependencies:
- dependency-name: streetsidesoftware/cspell-action
  dependency-version: 8.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -200,7 +200,7 @@ jobs:
           ref: ${{ env.REF }}
       - id: spelling
         name: Check spelling
-        uses: streetsidesoftware/cspell-action@v8.3.0
+        uses: streetsidesoftware/cspell-action@v8.4.0
         with:
           check_dot_files: true
           config: .cspell.json