updated dependency and coverage upload in CI

Author: bwhe3635

.github/workflows/run_tests.yml

@@ -32,9 +32,15 @@ jobs:
         python -m pip install --upgrade pip
         pip install pytest
         pip install pytest-cov
-        pip install codecov
+        pip install coverage
         pip install -e .
     - name: Test with pytest
       run: |
         pytest --cov-config .coveragerc --cov-report html --cov=bayes_opt
-        codecov 
+        codecov
+
+    - name: Test with pytest
+      run: |
+        pytest --cov-report xml --cov=bayes_opt/
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v3