Fix CMake Deprecation Warning, by declaring project is known to be co… #1150

Job	Run time
clang-sanitizers (,thread)	12m 5s
clang-sanitizers (,address,undefined)	11m 44s
downstream	11m 48s
linux-compat (manylinux1-x64)	10m 42s
linux-compiler-compat (clang-3)	11m 14s
linux-compat (manylinux1-x86)	11m 3s
linux-shared-libs	11m 10s
linux-compiler-compat (clang-6)	11m 53s
linux-compat (manylinux2014-x64)	10m 56s
linux-compiler-compat (clang-8)	12m 25s
macos	10m 6s
linux-compat (manylinux2014-x86)	10m 58s
linux-compiler-compat (clang-9)	12m 3s
macos-x64	10m 53s
linux-compat (al2-x64)	10m 48s
linux-compiler-compat (clang-10)	11m 40s
linux-compat (fedora-34-x64)	10m 27s
windows	12m 46s
linux-compiler-compat (clang-11)	11m 49s
linux-compat (opensuse-leap)	11m 39s
linux-compiler-compat (clang-15)	12m 10s
windows-app-verifier	14m 22s
linux-compat (rhel8-x64)	11m 24s
linux-compiler-compat (clang-17)	14m 11s
windows-shared-libs	12m 27s
linux-compiler-compat (gcc-4.8)	10m 31s
windows-vc14 (x86)	11m 7s
linux-compiler-compat (gcc-5)	11m 9s
windows-vc14 (x64)	14m 0s
linux-compiler-compat (gcc-6)	11m 28s
linux-compiler-compat (gcc-7)	11m 0s
linux-compiler-compat (gcc-8)	11m 38s
linux-compiler-compat (gcc-11)	11m 39s
	6h 25m 15s

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