Refactor build workflow and add SonarCloud analysis

Author: chrisw-dev

.github/workflows/build.yml

@@ -29,4 +29,18 @@ jobs:
             pip install -r test_requirements.txt
             coverage run -m pytest
             deactivate
-            rm -rf env
+            rm -rf env
+
+    sonarcloud:
+      name: SonarCloud
+      runs-on: ubuntu-latest
+      needs: python-test
+      steps:
+        - uses: actions/checkout@v4
+          with:
+            fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
+        - name: SonarCloud Scan
+          uses: SonarSource/sonarcloud-github-action@master
+          env:
+            GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Needed to get PR information, if any
+            SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}