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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
     name: "Run lint"
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v3
+      - uses: pnpm/action-setup@v4
         with:
           version: 8
       - uses: actions/setup-node@v4
@@ -32,7 +32,7 @@ jobs:
         node-version: [20.x]
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v3
+      - uses: pnpm/action-setup@v4
         with:
           version: 8
       - name: Use Node.js ${{ matrix.node-version }}
@@ -55,7 +55,7 @@ jobs:
         node-version: [20.x]
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v3
+      - uses: pnpm/action-setup@v4
         with:
           version: 8
       - name: Use Node.js ${{ matrix.node-version }}