ci: add promote-latest action to publish workflow

Author: christso

.github/workflows/publish.yml

@@ -13,6 +13,7 @@ on:
         options:
           - publish-next
           - publish-latest
+          - promote-latest
         default: publish-next
 
 concurrency:
@@ -57,6 +58,8 @@ jobs:
         run: |
           if [ "${{ steps.channel.outputs.action }}" = "publish-next" ]; then
             bun run publish:next
+          elif [ "${{ steps.channel.outputs.action }}" = "promote-latest" ]; then
+            bun run promote:latest
           else
             bun run publish
           fi