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

Author: renovate[bot]

.github/workflows/lint.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: pnpm setup
-        uses: pnpm/action-setup@v4
+        uses: pnpm/action-setup@v6
       - name: Setup Node
         uses: actions/setup-node@v6
         with: