chore(deps): update pnpm/action-setup action to v5

Author: renovate[bot]

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: pnpm/action-setup@v4
+      - uses: pnpm/action-setup@v5
       - uses: actions/setup-node@v6
         with:
           cache: pnpm