fix: ensure newline at end of file in publish-alpha.yml

Author: mitchdowney

.github/workflows/publish-alpha.yml

@@ -82,4 +82,4 @@ jobs:
 
       - name: Push Docker image
         run: |
-          docker push ghcr.io/${{ github.repository }}/podverse-api:${{ steps.version.outputs.NEXT_VERSION }}
+          docker push ghcr.io/${{ github.repository }}/podverse-api:${{ steps.version.outputs.NEXT_VERSION }}