Update SonarSource/sonarqube-scan-action action to v8 (#38)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/actions.yml

@@ -56,7 +56,7 @@ jobs:
         run: go test -coverprofile=cover.out ./...
 
       - name: SonarQube Scan
-        uses: SonarSource/sonarqube-scan-action@v7.0.0
+        uses: SonarSource/sonarqube-scan-action@v8.1.0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}