更新 GitHub Actions 工作流，调整构建步骤以直接提取 XMRig 可执行文件并修改归档名称。

.github/workflows/build.yml

@@ -31,13 +31,13 @@ jobs:
         run: |
           docker build --no-cache -t xmrig:latest .
           id=$(docker create xmrig:latest)
-          docker cp $id:/xmrig/build/xmrig - > build/xmrig.tar
-          tar -xvf build/xmrig.tar -C build && rm build/xmrig.tar
+          docker cp $id:/xmrig/build/xmrig - > xmrig.tar
+          tar -xvf xmrig.tar
           docker rm -v $id
       -
         name: Archive artifacts
         # uses: actions/upload-artifact@v4
         uses: christopherhx/gitea-upload-artifact@v4
         with:
-          name: xmrig
-          path: build/xmrig
+          name: xmrig-linux-static
+          path: xmrig