scripts: add PE .reloc section check to security-check.py
Summary:
Backport of core#18629.
Depends on D11229.
Test Plan:
cmake -GNinja .. \ -DCMAKE_TOOLCHAIN_FILE=../cmake/platforms/Win64.cmake \ -DBUILD_BITCOIN_SEEDER=OFF ninja security-check
Reviewers: #bitcoin_abc, PiRK
Reviewed By: #bitcoin_abc, PiRK
Differential Revision: https://reviews.bitcoinabc.org/D11230