[Misc] Align CODEOWNERS with module/feature design docs (#5958)

Signed-off-by: hsliu_ustc <hsliu_ustc@noreply.gitcode.com>
Signed-off-by: Hongsheng Liu <liuhongsheng4@huawei.com>
Co-authored-by: hsliu_ustc <hsliu_ustc@noreply.gitcode.com>
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

docs/design/module/diffusion/offloader.md

@@ -4,7 +4,8 @@ kind: module
 status: draft
 owners:
   - "@yuanheng-zhao"
-  - "@Isotr0py"
+  - "@david6666666"
+  - "@lishunyang12"
 primary_code_paths:
   - vllm_omni/diffusion/offloader/**
 related_code_paths: