(#265) Upgraded to SonarSource/sonarcloud-github-action v1.6

Author: s1hofmann

.github/workflows/ci.yaml

@@ -43,7 +43,7 @@ jobs:
           npm run coverage:merge
           npm run coverage:merge-report
       - name: Send results to SonarCloud
-        uses: SonarSource/sonarcloud-github-action@v1.4
+        uses: SonarSource/sonarcloud-github-action@v1.6
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}