fix(emacs/lean-server): fix ERROR regex pattern
fix(emacs/lean-server): fix ERROR regex pattern

digama0/lean,UlrikBuchholtz/lean,fpvandoorn/lean2,leanprover/lean,levnach/lean,Kha/lean,UlrikBuchholtz/lean,UlrikBuchholtz/lean,leanprover/lean,fpvandoorn/lean,fpvandoorn/lean,eigengrau/lean,johoelzl/lean,soonhokong/lean,c-cube/lean,Kha/lean,leodemoura/lean,fpvandoorn/lean2,UlrikBuchholtz/lean,fgdorais/lean,rlewis1988/lean,eigengrau/lean,digama0/lean,rlewis1988/lean,dselsam/lean,rlewis1988/lean,avigad/lean,leanprover-community/lean,eigengrau/lean,dselsam/lean,johoelzl/lean,sp3ctum/lean,soonhokong/lean-windows,fpvandoorn/lean,leanprover-community/lean,fpvandoorn/lean2,dselsam/lean,soonhokong/lean,c-cube/lean,avigad/lean,leanprover-community/lean,fpvandoorn/lean,Kha/lean,htzh/lean,johoelzl/lean,sp3ctum/lean,rlewis1988/lean,eigengrau/lean,fpvandoorn/lean,soonhokong/lean-osx,UlrikBuchholtz/lean,soonhokong/lean-windows,johoelzl/lean,levnach/lean,fpvandoorn/lean,soonhokong/lean-windows,fgdorais/lean,rlewis1988/lean,soonhokong/lean-osx,rlewis1988/lean,dselsam/lean,leodemoura/lean,avigad/lean,fpvandoorn/lean2,htzh/lean,leodemoura/lean,leanprover/lean,soonhokong/lean-windows,leanprover/lean,digama0/lean,leodemoura/lean,leanprover/lean,sp3ctum/lean,levnach/lean,sp3ctum/lean,javra/lean,avigad/lean,fgdorais/lean,johoelzl/lean,htzh/lean,soonhokong/lean-osx,Kha/lean,soonhokong/lean,fpvandoorn/lean2,digama0/lean,c-cube/lean,c-cube/lean,leanprover/lean,leodemoura/lean,sp3ctum/lean,javra/lean,eigengrau/lean,soonhokong/lean-windows,c-cube/lean,leodemoura/lean,soonhokong/lean,Kha/lean,levnach/lean,fgdorais/lean,fgdorais/lean,avigad/lean,soonhokong/lean,leanprover-community/lean,leanprover-community/lean,leanprover-community/lean,digama0/lean,htzh/lean,soonhokong/lean-osx,dselsam/lean,Kha/lean,levnach/lean,johoelzl/lean,javra/lean,soonhokong/lean-osx,avigad/lean,dselsam/lean,htzh/lean,digama0/lean,fgdorais/lean,javra/lean,javra/lean