* use clang-tidy-diff.py return code and add -warnings-as-errors
Signed-off-by: Ndaquexian <daquexian566@gmail.com>

* fix python2 shebang
Signed-off-by: Ndaquexian <daquexian566@gmail.com>
Co-authored-by: Noneflow-ci-bot <69100618+oneflow-ci-bot@users.noreply.github.com>