Update build.yml

.github/workflows/build.yml

@@ -43,10 +43,10 @@ jobs:
         coverage xml
         coverage report -m
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@master
       with:
         file: ./coverage.xml
         flags: unittests
         env_vars: OS,PYTHON
         name: codecov-umbrella
-        fail_ci_if_error: true
+        fail_ci_if_error: false