fix release version from confluent kafka python (#7)

Signed-off-by: Francisco Vila <fvila@redhat.com>

Author: franvila

.github/workflows/pythonkafkaclient.yml

@@ -39,6 +39,7 @@ jobs:
         uses: pozetroninc/github-action-get-latest-release@v0.8.0
         with:
           repository: confluentinc/confluent-kafka-python
+          excludes: prerelease, draft
       - name: 'Get latest release version of this repository'
         id: pythonKafkaClientRelease
         uses: pozetroninc/github-action-get-latest-release@v0.8.0