build: use a different tag prefix for feature releases

Author: daniel-makerx

.github/workflows/cd.yaml

@@ -91,7 +91,7 @@ jobs:
         run: |
           poetry run semantic-release \
             --prerelease \
-            --define=prerelease_tag=beta+${{ steps.get_branch.outputs.branch }} \
+            --define=prerelease_tag=alpha+${{ steps.get_branch.outputs.branch }} \
             --define=branch=${{ steps.get_branch.outputs.branch }} \
             publish
         # --define=upload_to_repository=true \