Fix pnpm version conflict by removing explicit version from workflows

Co-authored-by: huangyiirene <7665279+huangyiirene@users.noreply.github.com>

Author: Copilot

.github/workflows/ci.yml

@@ -25,8 +25,6 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
-        with:
-          version: 10
 
       - name: Get pnpm store directory
         shell: bash

.github/workflows/release.yml

@@ -25,8 +25,6 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
-        with:
-          version: 10
 
       - name: Get pnpm store directory
         shell: bash