fix: remove lib/ from release commit (#260)

lib/ is listed in .gitignore and cannot be staged

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: kentaro-m

.github/workflows/release.yml

@@ -42,7 +42,7 @@ jobs:
         run: |
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
-          git add package.json package-lock.json lib/ dist/
+          git add package.json package-lock.json dist/
           git commit -m "chore: release v${{ inputs.version }}"
           git tag v${{ inputs.version }}
           git push origin ${{ inputs.branch }}