Turn lcov errors into warnings

.github/workflows/sonar.yaml

@@ -103,6 +103,7 @@ jobs:
         with:
           docker: $DOCKER_IMAGE
           workdir: ${{ env.BASEDIR }}/target_ws
+          lcov_capture_args: --ignore-errors=mismatch
           ignore: '"*/target_ws/build/*" "*/target_ws/install/*" "*/test/*"'
       - name: Install ccache
         run: sudo apt install ccache build-essential