Update actions/setup-node action to v6

.gitea/workflows/build.yaml

@@ -12,10 +12,12 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install pnpm
-        uses: pnpm/action-setup@v5
+        uses: pnpm/action-setup@v4
+        with:
+          version: 10
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 22
           cache: 'pnpm'