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

Author: renovate[bot]

.github/actions/prepare/action.yml

@@ -4,7 +4,7 @@ name: Prepare
 
 runs:
   steps:
-    - uses: pnpm/action-setup@v4.4.0
+    - uses: pnpm/action-setup@v6.0.9
       with:
         version: 10.34.3
     - uses: actions/setup-node@v4.4.0