chore: update workflow

Author: cgawron

.github/workflows/main.yml

@@ -36,15 +36,14 @@ jobs:
     needs: release
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - name: SonarQube
       uses: sonarsource/sonarqube-scan-action@master
       env:
         SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
-        SONAR_HOST_URL: ${{ secrets.SONAR_HOST_URL }}
-        SONAR_ROOT_CERT: ${{ secrets.SONAR_ROOT_CERT }}
+        SONAR_HOST_URL: ${{ vars.SONAR_HOST_URL }}
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
     - name: Login to GitHub Container Registry