fix(windows-ci): WiX 工具按 WixTools* 通配查找，避免 Tauri 升级后路径失效

Windows MSI Repair 之前硬编码 `C:\Users\22933\AppData\Local\tauri\WixTools314\light.exe`，Tauri 升级到新 WiX 版本（如 WixTools315）后路径不存在，Repair 步骤直接挂。

改为 WixTools* glob，按数字后缀降序回退到名称降序，取最新可用版本。同步更新 windows-package-msvc.ps1::Find-WixTool 和 release-tauri.yml 的 Repair 步骤；保留 -sice:ICE80、NSIS/MSI 两轮 build、bash shell 等 Windows CI 红线不变。

补 4 条 windows-package-msvc.test.mjs 防回归断言：禁止 WixTools314 出现在脚本/workflow，要求两边都按 WixTools* glob 查找。

Refs: #298

.github/workflows/release-tauri.yml

@@ -300,8 +300,10 @@ jobs:
               throw "Required WiX object missing: $p — tauri build aborted before candle ran. Check the Build (Windows) step log."
             }
           }
-          $light = (Get-ChildItem "$env:LOCALAPPDATA\tauri\WixTools314\light.exe" -ErrorAction SilentlyContinue | Select-Object -First 1).FullName
-          if (-not $light) { throw "WiX light.exe not found in $env:LOCALAPPDATA\tauri\WixTools314" }
+          $light = Get-ChildItem "$env:LOCALAPPDATA\tauri\WixTools*\light.exe" -ErrorAction SilentlyContinue |
+            Sort-Object FullName |
+            Select-Object -Last 1 -ExpandProperty FullName
+          if (-not $light) { throw "WiX light.exe not found under $env:LOCALAPPDATA\tauri\WixTools*" }
           $version = (Get-Content src-tauri\tauri.conf.json -Raw | ConvertFrom-Json).version
           $bundleDir = Join-Path $appRoot 'src-tauri\target\release\bundle\msi'
           New-Item -ItemType Directory -Force -Path $bundleDir | Out-Null