Merge pull request #893 from CSCfi/update/coverage-lcov-generation

use new way of generating lcov from coverage

Author: blankdots

.github/workflows/unit.yml

@@ -22,7 +22,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install tox tox-gh-actions coveragepy-lcov
+        pip install tox tox-gh-actions coverage
     - name: Install frontend
       run: |
         pushd swift_browser_ui_frontend
@@ -31,7 +31,7 @@ jobs:
     - name: Run unit tests
       run: |
         tox -e pytest
-        coveragepy-lcov --output_file_path lcov.info
+        coverage lcov -o lcov.info
     - name: Send coverage to coveralls
       uses: coverallsapp/github-action@master
       with: