ci(workflows): 优化 CI/CD 工作流配置

- 新增 build-test.yml 用于PR测试构建
- 升级 actions/checkout 和 actions/upload-artifact 到 v6 版本
- 完善 release.yml 的清理流程和摘要输出

.github/workflows/update-version.yml

@@ -42,7 +42,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         ref: ${{ inputs.ref }}
         fetch-depth: 0
@@ -148,7 +148,7 @@ jobs:
 
     - name: Upload modified ALVersionInfo.py ready for build
       if: steps.check_changes.outputs.has_changes == 'true'
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: updated-version-info-for-build
         path: src/gui/temp/ALVersionInfo.py
@@ -156,7 +156,7 @@ jobs:
 
     - name: Upload modified ALVersionInfo.py ready for commit
       if: steps.check_changes.outputs.has_changes == 'true'
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: updated-version-info-for-commit
         path: src/gui/ALVersionInfo.py