Add upload_python_packages_test job with TestPyPI credentials to release-pipeline

Author: lithorus

.github/workflows/release-pipeline.yml

@@ -41,12 +41,15 @@ jobs:
           echo "opencue_cueadmin_path=$(ls -a packages/opencue_cueadmin-*.whl)" >> $GITHUB_OUTPUT
           echo "opencue_cuegui_path=$(ls -a packages/opencue_cuegui-*.whl)" >> $GITHUB_OUTPUT
 
-
-  upload_python_packages:
+  upload_python_packages_test:
     needs: build_opencue_packages
     runs-on: ubuntu-22.04
     container: python:3.10
     name: "Upload python packages"
+    env:
+      TWINE_USERNAME: "__token__"
+      TWINE_PASSWORD: "${{ secrets.TEST_PYPI_API_TOKEN }}"
+
     steps:
       - name: Download artifact
         uses: actions/download-artifact@v4