Update .github/pull_request_template.md
Update .github/pull_request_template.md

Co-authored-by: Jiří Locker <46033128932f6c00b922d74a67386b3a992492cc@gmail.com>
baldimir/optaplanner,tkobayas/optaplanner,tkobayas/optaplanner,tkobayas/optaplanner,tkobayas/optaplanner,baldimir/optaplanner,baldimir/optaplanner,baldimir/optaplanner