fix(build): update MSVC library paths to use backslashes for compatib… #221

Job	Run time
linux-openblas-x86_64 build + test	38s
linux-cpu-avx512-x86_64 build + test	34s
linux-cpu-avx2-x86_64 build + test	30s
linux-opencl-x86_64 build + test	41s
linux-vulkan-x86_64 build + test	1m 22s
linux-vulkan-arm64 build + test	2m 55s
linux-cpu-arm64 build + test	30s
macos build + test	49s
linux-neon-arm64 build + test	34s
windows-cpu-avx2-x86_64 build + test	1m 43s
windows-openblas-x86_64 build + test	1m 48s
linux-cpu-x86_64 build + test	38s
windows-cpu-x86_64 build + test	1m 49s
windows-cuda-x86_64 build + test	2m 36s
android-arm64-v8a build	43s
windows-vulkan-x86_64 build + test	1m 44s
windows-llamafile-x86_64 build + test	1m 51s
windows-cpu-avx512-x86_64 build + test	1m 39s
linux-opencl-arm64 build + test	54s
windows-opencl-x86_64 build + test	1m 47s
windows-sycl-x86_64 build + test	2m 59s
ios build	51s
isim build	46s
windows-hip-x86_64 build + test	2m 26s
windows-cpu-avx-vnni-x86_64 build + test	1m 39s
android-x86_64 build + test	4m 19s
linux-openblas-arm64 build + test	1m 37s
release	0s
	40m 22s

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