Add step to upload to sonarcloud

Author: AlanCoding

.github/workflows/ci.yml

@@ -29,6 +29,18 @@ jobs:
       - run: pip install -r requirements_dev.txt
       - run: pytest tests/unit tests/integration --cov=. --cov-report=xml:coverage.xml --cov-report=html --cov-report=json -vv -s
 
+      - name: SonarCloud Scan
+        uses: SonarSource/sonarqube-scan-action@master
+        if: github.event_name == 'pull_request'
+        env:
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+        with:
+          args: >
+            -Dsonar.scm.revision=${{ github.event.workflow_run.head_sha }}
+            -Dsonar.pullrequest.key=${{ env.PR_NUMBER }}
+            -Dsonar.pullrequest.branch=${{ env.PR_HEAD }}
+            -Dsonar.pullrequest.base=${{ env.PR_BASE }}
+
   black:
     name: Run black
     runs-on: ubuntu-latest