ci: fix corepack verification error

Author: KazariEX

.github/workflows/pkg.pr.new.yml

@@ -9,7 +9,10 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - run: corepack enable
+      - run: |
+            npm install -g corepack@latest
+            corepack enable
+
       - uses: actions/setup-node@v4
         with:
           node-version: 20