chore: use corepack instead pnpm setup

Author: antfu

.github/workflows/ci.yml

@@ -15,15 +15,14 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - name: Install pnpm
-        uses: pnpm/action-setup@v2
-
       - name: Set node
         uses: actions/setup-node@v2
         with:
           node-version: 16.x
           cache: pnpm
 
+      - run: corepack enable
+
       - name: Setup
         run: npm i -g @antfu/ni
 
@@ -45,15 +44,14 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - name: Install pnpm
-        uses: pnpm/action-setup@v2
-
       - name: Set node version to ${{ matrix.node }}
         uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node }}
           cache: pnpm
 
+      - run: corepack enable
+
       - name: Setup
         run: npm i -g @antfu/ni
 

.github/workflows/release.yml

@@ -9,14 +9,18 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
-      - uses: actions/setup-node@v2
+
+      - uses: actions/setup-node@v3
         with:
           node-version: '14'
           registry-url: https://registry.npmjs.org/
-      - run: npm i -g pnpm @antfu/ni
+
+      - run: corepack enable
+
+      - run: npm i -g @antfu/ni
       - run: nci
       - run: nr test --if-present
       - run: npm publish --access public