Install cmake config to more standard location #757

Job	Run time
clang-sanitizers (,thread)	3m 22s
linux-compat (manylinux2014-x64)	2m 39s
clang-sanitizers (,address,undefined)	3m 57s
linux-compiler-compat (clang-3)	3m 19s
linux-compat (manylinux2014-x86)	2m 35s
downstream	2m 48s
linux-compiler-compat (clang-6)	3m 26s
linux-compat (fedora-34-x64)	2m 43s
linux-compiler-compat (clang-8)	4m 5s
linux-compat (opensuse-leap)	3m 34s
linux-compat (rhel8-x64)	2m 57s
linux-compiler-compat (clang-9)	3m 47s
linux-shared-libs	2m 41s
linux-compat (al2-x64)	2m 28s
linux-compiler-compat (clang-10)	3m 38s
macos	1m 25s
linux-compiler-compat (clang-11)	3m 34s
macos-x64	1m 49s
linux-compiler-compat (clang-15)	4m 33s
windows	4m 6s
windows-shared-libs	3m 58s
linux-compiler-compat (clang-17)	4m 28s
windows-vc14 (x86)	2m 16s
linux-compiler-compat (gcc-4.8)	2m 47s
windows-vc14 (x64)	4m 2s
linux-compiler-compat (gcc-5)	3m 9s
linux-compiler-compat (gcc-6)	2m 56s
linux-compiler-compat (gcc-7)	2m 43s
linux-compiler-compat (gcc-8)	3m 22s
linux-compiler-compat (gcc-11)	3m 16s
	1h 36m 23s

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