message: GH-actions: install missing lcov package.
diff: @@ -104,8 +104,10 @@ jobs:
  working-directory: ${{runner.workspace}}/build
  run: cmake --build . --config Release -j 2
  - - name: Install python packages
  - run: pip install --user numpy coveralls
  + - name: Install necessary packages
  + run: |
  + pip install --user numpy coveralls
  + sudo apt install lcov
  - name: C++ coverage
  shell: bash
  