Few updates to azure-sdk-for-python release handling (#3828)

* Few updates to azure-sdk-for-python release handling

* Switch to TwineAuthenticate@0

eng/pipelines/templates/jobs/pypi/release-pypi.yml

@@ -53,14 +53,21 @@ jobs:
             Approvers: ${{ coalesce(variables['Build.RequestedForEmail'], 'azuresdk@microsoft.com') }}
             ServiceEndpointUrl: 'https://api.esrp.microsoft.com'
             MainPublisher: 'ESRPRELPACMANTEST'
+
+        - task: PipAuthenticate@1
+          displayName: 'Pip Authenticate to feed: public/azure-sdk-for-python'
+          inputs:
+            artifactFeeds: public/azure-sdk-for-python
+            onlyAddExtraIndex: false
         
         - task: TwineAuthenticate@0
-          displayName: 'Authenticate to feed: public/azure-sdk-for-python'
+          displayName: 'Twine Authenticate to feed: public/azure-sdk-for-python'
           inputs:
             artifactFeeds: public/azure-sdk-for-python
 
         - script: |
             set -e
+            python -m pip install twine
             twine upload --repository public/azure-sdk-for-python --config-file $(PYPIRC_PATH) $(Pipeline.Workspace)/esrp-release/${{ parameters.ServerName }}/*.whl
             echo "Uploaded whl to devops feed"
           displayName: 'Publish package to feed: public/azure-sdk-for-python'