Add CMake include_guard() directives to each *.cmake file (#683) #4328

Job	Run time
pre-commit / pre-commit	1m 9s
windows / clang-build	4m 36s
windows / msvc-build (Debug)	2m 52s
ubuntu / clang-build (ubuntu-24.04)	3m 9s
windows / msvc-build (Release)	4m 3s
ubuntu / clang-build (ubuntu-24.04-arm)	1m 44s
mac / clang-build (Release)	1m 54s
mac / clang-build (Debug)	2m 10s
ubuntu / gcc-build (ubuntu-24.04, Release)	2m 45s
ubuntu / gcc-build (ubuntu-24.04, Debug)	2m 9s
ubuntu / gcc-build (ubuntu-24.04-arm, Debug)	2m 0s
ubuntu / gcc-build (ubuntu-24.04-arm, Release)	2m 8s
mac / clang-test	4m 51s
mac / clang-test-extended	3m 15s
ubuntu / clang-sanitizer-build (ubuntu-24.04)	3m 44s
ubuntu / clang-test (ubuntu-24.04-arm)	8m 27s
ubuntu / clang-test (ubuntu-24.04)	8m 22s
windows / clang-test	2m 39s
ubuntu / gcc-test (ubuntu-24.04-arm)	8m 36s
ubuntu / gcc-test (ubuntu-24.04)	8m 28s
windows / msvc-test	4m 40s
windows / clang-test-extended	3m 12s
windows / msvc-test-extended	2m 48s
ubuntu / clang-test-extended (ubuntu-24.04-arm)	4m 33s
ubuntu / clang-test-extended (ubuntu-24.04)	4m 32s
ubuntu / clang-sanitizer-test (ubuntu-24.04)	2m 53s
ubuntu / gcc-test-extended (ubuntu-24.04-arm)	4m 33s
ubuntu / gcc-test-extended (ubuntu-24.04)	4m 31s
ubuntu / clang-sanitizer-test-extended (ubuntu-24.04)	2m 29s
ubuntu / gcc-build-codecov	7m 36s
perf / ubuntu-gcc-build-perf-stats	1m 19s
perf / macos-clang-build-perf-stats	1m 30s
pages / build-doxygen-xml	20s
pages / build-scoreboard	17s
pages / build-sphinx	49s
pages / deploy-pages	0s
	2h 5m 3s

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