ci(release): add branch pull action before commit (#43)

.github/workflows/release.yaml

@@ -80,6 +80,7 @@ jobs:
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
           git checkout -b update-changelog
+          git pull origin update-changelog
           git add --all
           git commit -m "chore: update changelog for $GITHUB_REF"
           git push origin update-changelog