fix: 简化远程 .version 获取方式，去除 OneDev 不支持的 sparse filter

lib/update.ts

@@ -129,6 +129,7 @@ export function getRemoteVersionFile(): VersionFile | null {
 
 /**
  * 通过浅克隆获取远程 .version 文件（备选方案）
+ * OneDev 不支持 git archive --remote，改用完整浅克隆
  */
 function getRemoteVersionByClone(): VersionFile | null {
   const tmpDir = path.join(
@@ -137,18 +138,11 @@ function getRemoteVersionByClone(): VersionFile | null {
   );
   try {
     const url = getAuthenticatedRemoteUrl();
-    execSync(
-      `git clone --depth 1 --filter=blob:none --sparse "${url}" "${tmpDir}" 2>nul`,
-      {
+    execSync(`git clone --depth 1 "${url}" "${tmpDir}"`, {
       encoding: "utf-8",
-        timeout: 30000,
-        windowsHide: true,
-      }
-    );
-    execSync(`cd "${tmpDir}" && git sparse-checkout set .version 2>nul`, {
-      encoding: "utf-8",
-      timeout: 10000,
+      timeout: 60000,
       windowsHide: true,
+      stdio: ["ignore", "pipe", "pipe"],
     });
     const versionPath = path.join(tmpDir, ".version");
     if (fs.existsSync(versionPath)) {