regenerate flatbuffer header (#73810)
Summary:
Update flatbuffer generated header and add it to ignore for clang format
Pull Request resolved: https://github.com/pytorch/pytorch/pull/73810
Test Plan: CI
Reviewed By: iseeyuan
Differential Revision: D34652217
Pulled By: qihqi
fbshipit-source-id: fe281afd25d618d2e4852d6b76b813e2fbee0ddc
(cherry picked from commit 095ee360b573506ac946de142bd266b8d3bac58e)
