fix: remove version conflict in pnpm setup

Author: d-oit

.github/workflows/reusable-hugo-workflow.yml

@@ -26,8 +26,6 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
-        with:
-          version: latest
 
       - name: Set up Node.js
         uses: actions/setup-node@v4