fix: python client test workflow (#2014)

* try to fix gha python client tests

* try to fix gha python client tests

* try to fix gha python client tests

* cleanup code

* try to fix code coverage

Author: daniel-ji

.github/workflows/client-python.yml

@@ -21,7 +21,6 @@ jobs:
 
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest]
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
@@ -58,7 +57,7 @@ jobs:
   submit-codecoverage:
     needs:
       - test-client-python
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout Repo
         uses: actions/checkout@v3