Bump sonarsource/sonarqube-scan-action in /.github/workflows (#916)

Bumps [sonarsource/sonarqube-scan-action](https://github.com/sonarsource/sonarqube-scan-action) from 5.2.0 to 6.0.0.
- [Release notes](https://github.com/sonarsource/sonarqube-scan-action/releases)
- [Commits](SonarSource/sonarqube-scan-action@v5.2.0...v6.0.0)

---
updated-dependencies:
- dependency-name: sonarsource/sonarqube-scan-action
  dependency-version: 6.0.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

.github/workflows/test.yaml

@@ -72,7 +72,7 @@ jobs:
       - run: bundle exec rspec
 
       - name: SonarQube scan
-        uses: sonarsource/sonarqube-scan-action@v5.2.0
+        uses: sonarsource/sonarqube-scan-action@v6.0.0
         if: always()
         env:
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}