Update SonarSource/sonarqube-scan-action action to v6

Author: renovate[bot]

.github/workflows/rust-coverage.yml

@@ -84,7 +84,7 @@ jobs:
           name: coverage-report
       # yamllint disable rule:line-length
       - name: SonarCloud Scan
-        uses: SonarSource/sonarqube-scan-action@1a6d90ebcb0e6a6b1d87e37ba693fe453195ae25 # v5
+        uses: SonarSource/sonarqube-scan-action@fd88b7d7ccbaefd23d8f36f73b59db7a3d246602 # v6
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}