ci: update workflow

Author: apertureless

.github/workflows/website.yml

@@ -13,7 +13,7 @@ jobs:
       - name: Install pnpm
         uses: pnpm/action-setup@v2
         with:
-          version: 7
+          version: 8
       - name: Install Node.js
         uses: actions/setup-node@v3
         with: