chore: fix pnpm version

Author: Petr Konecny

.github/actions/setup/action.yml

@@ -14,7 +14,8 @@ runs:
 
     - name: Install pnpm
       uses: pnpm/action-setup@v4
-
+      with:
+        version: 9
     - name: Get pnpm store directory
       id: pnpm-cache
       shell: bash