Release workflow fix

Author: jmartisk

.github/workflows/prepare-release.yml

@@ -54,6 +54,4 @@ jobs:
     name: Prepare Release
     if: ${{ github.event.pull_request.merged == true}}
     uses: smallrye/.github/.github/workflows/prepare-release.yml@main
-    with:
-      ref: main
     secrets: inherit