Вот возможное решение для тех у кого Windows, внимательно читайте какие папки или заголовочные файла не видит, ищите их и добавляйте, я решил именно так
"name": "Win32",
"includePath": [
"${default}",
"C:/msys64/ucrt64/include/gtk-4.0",
"C:/msys64/ucrt64/include/pango-1.0",
"C:/msys64/ucrt64/include/fribidi",
"C:/msys64/ucrt64/include/harfbuzz",
"C:/msys64/ucrt64/include/gdk-pixbuf-2.0",
"C:/msys64/ucrt64/include/cairo",
"C:/msys64/ucrt64/include/freetype2",
"C:/msys64/ucrt64/include/libpng16",
"C:/msys64/ucrt64/include/pixman-1",
"C:/msys64/ucrt64/include/graphene-1.0",
"C:/msys64/ucrt64/include/glib-2.0",
"C:/msys64/ucrt64/lib/glib-2.0/include",
"C:/msys64/ucrt64/include/graphene-1.0",
"C:/msys64/ucrt64/lib/graphene-1.0/include"
],