ci: update actions' verions

Author: haoqunjiang

.github/workflows/ci.yml

@@ -19,16 +19,16 @@ jobs:
           - macos-latest
           - windows-latest
         node-version:
-          - 16
+          - 20
     name: Node ${{ matrix.node-version }} on ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
-      - uses: pnpm/action-setup@v2
+      - uses: pnpm/action-setup@v3
         with:
           version: 8
-      - uses: actions/setup-node@v2
+      - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
           cache: 'pnpm'