ci: trigger publish workflow automatically after beta builds complete

.github/workflows/beta.yml

@@ -32,3 +32,8 @@ jobs:
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: bun script/beta.ts
+
+      - name: Trigger publish workflow
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: gh workflow run publish.yml --ref beta