Add CMake include_guard() directives to each *.cmake file (#683) #4334

Job	Run time
pre-commit / pre-commit	1m 7s
ubuntu / gcc-build (ubuntu-24.04-arm, Debug)	1m 55s
ubuntu / gcc-build (ubuntu-24.04-arm, Release)	1m 48s
ubuntu / gcc-build (ubuntu-24.04, Release)	2m 16s
ubuntu / clang-build (ubuntu-24.04-arm)	1m 58s
ubuntu / clang-build (ubuntu-24.04)	2m 55s
ubuntu / gcc-build (ubuntu-24.04, Debug)	2m 17s
mac / clang-build (Release)	1m 49s
mac / clang-build (Debug)	1m 38s
windows / msvc-build (Release)	4m 32s
windows / clang-build	3m 54s
windows / msvc-build (Debug)	3m 7s
mac / clang-test	6m 27s
ubuntu / clang-sanitizer-build (ubuntu-24.04)	3m 46s
ubuntu / clang-test (ubuntu-24.04-arm)	8m 28s
ubuntu / clang-test (ubuntu-24.04)	8m 30s
windows / msvc-test	4m 39s
windows / clang-test	2m 46s
ubuntu / gcc-test (ubuntu-24.04-arm)	8m 19s
ubuntu / gcc-test (ubuntu-24.04)	8m 29s
mac / clang-test-extended	2m 52s
windows / clang-test-extended	2m 56s
ubuntu / clang-sanitizer-test (ubuntu-24.04)	3m 5s
windows / msvc-test-extended	3m 13s
ubuntu / clang-sanitizer-test-extended (ubuntu-24.04)	2m 27s
ubuntu / clang-test-extended (ubuntu-24.04-arm)	4m 32s
ubuntu / clang-test-extended (ubuntu-24.04)	4m 30s
ubuntu / gcc-test-extended (ubuntu-24.04-arm)	4m 32s
ubuntu / gcc-test-extended (ubuntu-24.04)	4m 35s
ubuntu / gcc-build-codecov	7m 35s
perf / ubuntu-gcc-build-perf-stats	1m 15s
perf / macos-clang-build-perf-stats	1m 58s
pages / build-scoreboard	13s
pages / build-doxygen-xml	23s
pages / build-sphinx	40s
pages / deploy-pages	29s
	2h 5m 55s

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