chore(deps): update pnpm/action-setup action to v6

Author: renovate[bot]

.github/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
         with:
           persist-credentials: false
 
-      - uses: pnpm/action-setup@v4
+      - uses: pnpm/action-setup@v6
         name: Install pnpm
         with:
           version: latest