gdk-pixbuf: Deprecate GdkPixbufAlphaMode

2 jobs from wip/hadess/remove-xlib in 5 minutes and 22 seconds (queued for 1 second)
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Status Job ID Name Coverage
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passed #244128
meson-fedora-x86_64

00:01:41

passed #244129
win32
msys2-mingw64

00:05:21