chore(deps): update pnpm/action-setup action to v6 (#87)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/deploy.yml

@@ -13,7 +13,7 @@ jobs:
       uses: actions/checkout@v6
 
     - name: Install pnpm
-      uses: pnpm/action-setup@v4
+      uses: pnpm/action-setup@v6
 
     - name: Use Node.js
       uses: actions/setup-node@v6