Bump errata-ai/vale-action from 1.5.0 to 2.1.1

Bumps [errata-ai/vale-action](https://github.com/errata-ai/vale-action) from 1.5.0 to 2.1.1.
- [Release notes](https://github.com/errata-ai/vale-action/releases)
- [Commits](errata-ai/vale-action@v1.5.0...v2.1.1)

---
updated-dependencies:
- dependency-name: errata-ai/vale-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/vale.yml

@@ -13,6 +13,6 @@ jobs:
       - uses: actions/[email protected]
 
       - name: Documentation Quality Checks
-        uses: errata-ai/vale-action@v1.5.0
+        uses: errata-ai/vale-action@v2.1.1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}