变更摘要

本变更主要是一次域名迁移类的维护性改动，将仓库中指向 gitcode.com 的各类链接统一替换为 atomgit.com，涉及 CI 脚本、pre-commit 配置、CMake 第三方依赖拉取地址、第三方库下载脚本以及 Python 包元数据等，属于不改变业务逻辑的纯配置/引用地址更新。

主要改动

• CMake 第三方依赖地址替换: cmake/fetch_cann_cmake.cmake、cmake/third_party/catlass.cmake、cmake/third_party/opbase.cmake、cmake/third_party/ops-tensor.cmake、cmake/third_party/ops_test_kit.cmake 中的 GIT_REPOSITORY、OPTENSOR_GIT_URL、OPTENSOR_FALLBACK_GIT_URL、OPS_TEST_KIT_GIT_URL 等（含 SSH 与 HTTPS 两种形式）由 gitcode.com 改为 atomgit.com，影响构建时依赖仓库的拉取来源。
• pre-commit 钩子仓库地址替换: .pre-commit-config.yaml 中 pre-commit-hooks、mirrors-clang-format、ruff-pre-commit、codespell 四个 repo 地址由 gitcode.com 改为 atomgit.com。
• 第三方库下载脚本地址替换: scripts/tools/third_lib_download.py 中 my_urls 列表内的 googletest、json、makeself、pybind11、eigen、protobuf、abseil-cpp、opbase.git、ops-tensor.git 等下载链接域名由 gitcode.com 改为 atomgit.com。
• CI 冒烟脚本克隆地址替换: .gitcode/scripts/kirin_smoke_chs.sh 与 .gitcode/scripts/kirin_smoke_cpro.sh 中 git clone 的 kirin_cann_test 仓库地址由 gitcode.com 改为 atomgit.com。
• Python 包元数据地址替换: torch_extension/setup.py 中 setup() 的 url 字段由 gitcode.com/cann/ops-transformer/tree/master/torch_extension 改为对应 atomgit.com 地址。

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