Update publish.yaml

We create releases as a bot account, so no need for a draft PR

Author: alexeagle

.github/workflows/publish.yaml

@@ -24,6 +24,7 @@ jobs:
       tag_name: ${{ inputs.tag_name }}
       # GitHub repository which is a fork of the upstream where the Pull Request will be opened.
       registry_fork: bazel-contrib/bazel-central-registry
+      draft: false
     permissions:
       attestations: write
       contents: write