Make release draft for testing

Author: palas

.github/workflows/release-upload.yml

@@ -237,7 +237,7 @@ jobs:
       - name: Create Release
         uses: input-output-hk/action-gh-release@v1
         with:
-          draft: false
+          draft: true
           tag_name: ${{ needs.wait_for_hydra.outputs.TARGET_TAG }} # Git tag the release is attached to
           name: ${{ env.SHORT_TAG }} # Release name in GitHub UI
           # TODO generalize