build: add support for Visual Studio 2026 #1020

Job	Run time
Build slim tarball	1m 29s
x86_64-linux: with shared libraries	30m 23s
x86_64-darwin: with shared libraries	45m 39s
aarch64-linux: with shared libraries	24m 19s
aarch64-darwin: with shared libraries	32m 33s
	2h 14m 23s

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