Use llvm 11 in OSX clang CirrusCI config
Use llvm 11 in OSX clang CirrusCI config

casimir/kakoune,casimir/kakoune,jkonecny12/kakoune,mawww/kakoune,jkonecny12/kakoune,casimir/kakoune,mawww/kakoune,mawww/kakoune,jkonecny12/kakoune,casimir/kakoune,jkonecny12/kakoune,mawww/kakoune