Update SonarSource/sonarqube-scan-action action to v5.1.0

Author: renovate[bot]

.github/workflows/flutter.yml

@@ -48,6 +48,6 @@ jobs:
           name: failures
           path: "**/failures/"
 
-      - uses: SonarSource/sonarqube-scan-action@0303d6b62e310685c0e34d0b9cde218036885c4d # v5.0.0
+      - uses: SonarSource/sonarqube-scan-action@aa494459d7c39c106cc77b166de8b4250a32bb97 # v5.1.0
         env:
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}