[skip ci] Update SonarSource/sonarqube-scan-action action to v5.3.0 (#1482)

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

Author: renovate[bot]

.github/workflows/flutter.yml

@@ -48,6 +48,6 @@ jobs:
           name: failures
           path: "**/failures/"
 
-      - uses: SonarSource/sonarqube-scan-action@2500896589ef8f7247069a56136f8dc177c27ccf # v5.2.0
+      - uses: SonarSource/sonarqube-scan-action@8c71dc039c2dd71d3821e89a2b58ecc7fee6ced9 # v5.3.0
         env:
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}