Add compile-time validation of regular expressions. - #2281

ℹ️ Scheduling was delayed due to a concurrency limit on community tasks

✅ 00:07 clone
✅ 00:22 ccache
✅ 00:22 update_git
✅ 00:09 configure
✅ 05:14 build
✅ 00:01 install
✅ 00:01 cleanup
✅ 28:55 test_install
✔️ 00:00 ci
✔️ 00:00 junit
✅ 00:23 Upload 'ccache' cache