ci: update package publishing workflow to force install corepack

Author: Tinoooo

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

@@ -25,13 +25,13 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - run: corepack enable
+      - run: npm i -g --force corepack && corepack enable
       - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
-          cache: "pnpm"
+          cache: pnpm
       - name: Install dependencies
         run: pnpm install
       - name: Build
         run: pnpm build
-      - run: pnpx pkg-pr-new publish --compact --pnpm
+      - run: pnpx pkg-pr-new publish --compact --pnpm