chore: fix release workflow

Author: kazupon

.github/workflows/release.yml

@@ -52,7 +52,7 @@ jobs:
       - name: Commit changelog
         uses: stefanzweifel/git-auto-commit-action@v5
         with:
-          branch: main
+          branch: next
           file_pattern: 'CHANGELOG.md'
           commit_message: 'chore: generate changelog'