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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Install pnpm
-        uses: pnpm/action-setup@v2
+        uses: pnpm/action-setup@v4
 
       - name: Set node
         uses: actions/setup-node@v3
@@ -42,7 +42,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Install pnpm
-        uses: pnpm/action-setup@v2
+        uses: pnpm/action-setup@v4
 
       - name: Set node ${{ matrix.node }}
         uses: actions/setup-node@v3