uploading to codecov failure does not fail the CI.

https://github.com/yliaog/client-python/actions/runs/4010290284/jobs/6886629356

Author: yliaog

.github/workflows/test.yaml

@@ -46,5 +46,5 @@ jobs:
       if: "matrix.use_coverage"
       uses: codecov/codecov-action@v3
       with:
-        fail_ci_if_error: true
+        fail_ci_if_error: false
         verbose: true