Merge pull request #1116 from PowerGridModel/feature/fix-sonar

CI: use clang in Sonar python install

Author: mgovers

.github/workflows/sonar.yml

@@ -51,7 +51,7 @@ jobs:
 
       - name: Python test and coverage
         run: |
-          pip install -e .[dev]
+          CC=clang CXX=clang++ pip install -e .[dev]
           pytest
 
       - name: Run build-wrapper for C++