vspkg: fix path to cmake dir #1533

Job	Run time
sanitizer - arm32v7/debian:bookworm	3m 40s
coverage - measure	2m 8s
sanitizer - arm64v8/debian:bookworm	3m 14s
conan - linux \|	2m 37s
sanitizer - debian:bookworm	4m 9s
conan - macos-latest	1m 47s
linux - arm32v7/debian:bookworm	4m 8s
linux - debian:bookworm	3m 33s
ios	1m 11s
linux - ubuntu:noble	3m 42s
msys2 - mingw32	3m 20s
conan - emscripten \|	1m 56s
macosx	2m 40s
linux - arm64v8/debian:bookworm	3m 18s
android	4m 10s
msvs	10m 26s
C++20 \| arm64v8/	2m 50s
C++20 \| arm32v7/	2m 36s
C++20 \|	4m 2s
msys2 - mingw64	3m 38s
vcpkg - linux \|	1m 43s
	1h 10m 48s

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