disable draft BCR publish

Author: dzbarsky

.github/workflows/publish.yaml

@@ -26,7 +26,7 @@ jobs:
       tag_name: ${{ inputs.tag_name }}
       # GitHub repository which is a fork of the upstream where the Pull Request will be opened.
       registry_fork: hermeticbuild/bazel-central-registry
-      draft: true
+      draft: false
       attest: true
     permissions:
       attestations: write