Problem: CI Tests favor GTK2 over GTK3
Solution: Install GTK3 dependencies and debug packages for CI workflows,
update ASAN suppression list, update required dependency
checks for the tests (Drew Vogel)
closes: vim/vim#17253ea67ba718d
Cherry-pick test_match.vim changes from patch 9.0.0626.
Co-authored-by: Drew Vogel <dvogel@github>