ci: use coveralls<3, newer coveralls do not work with github actions.

Author: jayvynl

.github/workflows/base-test.yml

@@ -31,7 +31,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install tox
+        python -m pip install tox coveralls<3
     - name: Lint code
       run: tox -e lint
     - name: Start clickhouse cluster
@@ -40,11 +40,11 @@ jobs:
       # Run tox using the version of Python in `PATH`
       run: tox -e py-django${{ matrix.django-version }}
     - name: Coveralls Parallel
-      uses: coverallsapp/github-action@v2
-      with:
-        github-token: ${{ secrets.GITHUB_TOKEN }}
-        flag-name: run-${{ join(matrix.*, '-') }}
-        parallel: true
+      run: coveralls
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        COVERALLS_PARALLEL: true
+        COVERALLS_FLAG_NAME: run-${{ join(matrix.*, '-') }}
 
   coveralls-finish: