use the new pnpm ci step

Author: Matthijz98

.github/workflows/ci.yml

@@ -20,7 +20,9 @@ jobs:
           node-version: '24'
 
       - name: Set up pnpm
-        uses: pnpm/action-setup@v2
+        uses: pnpm/action-setup@v4
+        with:
+          version: 10
 
       - name: Install dependencies
         run: pnpm install