v0.28.0: [CI/Build] Pin Cython below 3.3 for arm64 tilelang sdist (#53358)

What happened

Signed-off-by: Kevin Luu 51931015+khluu@users.noreply.github.com Co-authored-by: OpenAI Codex codex@openai.com (cherry picked from commit e25c586 )

Summary assembled by rule from the sources below

Timeline

1. 23:42
   First appeared on vLLM ReleasesvLLM Releases

Sources