CI: setup-msys2 2.13.0
There's setup-msys2-2.13.0 available now.
As #44789 is currently in testing/review, let's try to get that one in first.
There's a problem with meson built tolua with setup-msys2-2.13.0, affecting master. Solution here is that option to use system tolua from #45612 is used - so this depends on it.
There's setup-msys2-2.13.0 available now.
As #44789 is currently in testing/review, let's try to get that one in first.