Update pnpm/action-setup action to v4

Author: renovate[bot]

.github/workflows/preview.yml

@@ -27,7 +27,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - uses: pnpm/action-setup@v3.0.0
+      - uses: pnpm/action-setup@v4.2.0
         with:
           version: 8
 

.github/workflows/production.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - uses: pnpm/action-setup@v3.0.0
+      - uses: pnpm/action-setup@v4.2.0
         with:
           version: 8