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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -73,7 +73,7 @@ jobs:
                   node-version: 'lts/*'
 
             - name: Set up pnpm
-              uses: pnpm/action-setup@v5
+              uses: pnpm/action-setup@v6
               with:
                   version: 'latest'