Bump ghcup version in bootstrap-haskell

bootstrap-haskell

@@ -59,7 +59,7 @@ _done() {
 download_ghcup() {
 	_plat="$(uname -s)"
 	_arch=$(uname -m)
-	_ghver="0.1.10"
+	_ghver="0.1.11"
 	_base_url="https://downloads.haskell.org/~ghcup"
 
     case "${_plat}" in