chore: update to pnpm 11

Author: birtles

.github/workflows/push.yml

@@ -6,9 +6,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
+      - uses: pnpm/action-setup@v6
         with:
-          version: latest
+          version: 11
       - uses: actions/setup-node@v4
         with:
           cache: pnpm