chore(deps): update pnpm/action-setup action to v4

Author: renovate[bot]

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Install pnpm
-      uses: pnpm/action-setup@v3.0.0
+      uses: pnpm/action-setup@v4.0.0
     - name: Use Node.js ${{ matrix.node }}
       uses: actions/setup-node@v4
       with: