graphics/aseprite: update to 1.1.9 [1]

• Apply a workaround for old libc++ on 10.x systems [2]

Changes: https://www.aseprite.org/release-notes/#aseprite-v1-1
PR: 213756 [1]
PR: 213773 [2]
Submitted by: yuri@rawbw.com [1]
Submitted by: dim [2]