Update font-church-slavonic from 2.1 to 2.2.1 (#4408)
Update font-church-slavonic from 2.1 to 2.2.1 (#4408)

* Update font-church-slavonic from 2.1 to 2.2.1

* Update font-church-slavonic.rb

* fix audit issues
alerque/homebrew-fonts,alerque/homebrew-fonts