Add coverage commenter

Author: 94929

.github/workflows/build.yml

@@ -19,10 +19,13 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install -r requirements.txt
-        pip install coveralls
     - name: Run unit tests
       run: |
         python -m pytest --cov=iamport tests
+    - name: Comment on coverage
+      uses: coroo/[email protected]
+      with:
+        pytest-coverage: .coverage
     - name: Run convention tests
       run: |
         python -m flake8 iamport tests --ignore E203,W503,W504