fixup! feat: use PDM to manage dependencies and build site

Author: dairiki

.github/workflows/deploy.yml

@@ -33,7 +33,7 @@ jobs:
           cache: npm
           cache-dependency-path: webpack/package-lock.json
 
-      - uses: actions/setup-pdm@v4
+      - uses: pdm-project/setup-pdm@v4
         with:
           cache: true