Add check-source-control-tools build config
Summary:
This adds the long-overdue build config for check-source-control-tools
which we should be running in CI.
Depends on D7324
Test Plan:
./build-configurations.py check-source-control-tools
Reviewers: #bitcoin_abc, deadalnix
Reviewed By: #bitcoin_abc, deadalnix
Differential Revision: https://reviews.bitcoinabc.org/D7353