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

Author: renovate[bot]

.github/composite-actions/install/action.yml

@@ -4,7 +4,7 @@ description: "Sets up Node.js and runs install"
 runs:
   using: composite
   steps:
-    - uses: pnpm/action-setup@v5
+    - uses: pnpm/action-setup@v6
       name: Install pnpm
 
     - name: Setup Node.js