fix: use origin for github release creation in actions

.github/workflows/release.yml

@@ -12,7 +12,7 @@ on:
         type: string
         default: master
       stable_date:
-        description: Stable release date in UTC (YYYY-MM-DD). First stable that day is .0, then .1, and so on.
+        description: Enter a UTC date in YYYY-MM-DD format, for example 2026-03-18. Do not enter a version string. The workflow will resolve that date to a stable version such as 2026.318.0, then 2026.318.1 for the next same-day stable.
         required: false
         type: string
       dry_run:
@@ -251,6 +251,7 @@ jobs:
       - name: Create GitHub Release
         env:
           GH_TOKEN: ${{ github.token }}
+          PUBLISH_REMOTE: origin
         run: |
           version="$(git tag --points-at HEAD | grep '^v' | head -1 | sed 's/^v//')"
           if [ -z "$version" ]; then