Add CITING.md #4567

Job	Run time
pre-commit / check-file-sizes	5s
pre-commit / pre-commit	1m 49s
ubuntu / clang-build (ubuntu-24.04)	2m 44s
mac / clang-build (Release)	2m 4s
mac / clang-build (Debug)	2m 10s
windows / clang-build	3m 6s
ubuntu / gcc-build (ubuntu-24.04, Debug)	2m 15s
ubuntu / gcc-build (ubuntu-24.04, Release)	2m 28s
windows / msvc-build (Debug)	2m 59s
windows / msvc-build (Release)	2m 17s
mac / clang-test	4m 44s
ubuntu / gcc-test (ubuntu-24.04)	8m 29s
ubuntu / clang-test (ubuntu-24.04)	8m 23s
ubuntu / clang-sanitizer-build (ubuntu-24.04)	3m 11s
windows / msvc-test	5m 2s
windows / clang-test	3m 36s
ubuntu / clang-sanitizer-test (ubuntu-24.04)	2m 51s
windows / clang-test-extended	3m 17s
mac / clang-test-extended	3m 46s
windows / msvc-test-extended	2m 58s
ubuntu / clang-sanitizer-test-extended (ubuntu-24.04)	2m 26s
ubuntu / gcc-test-extended (ubuntu-24.04)	4m 27s
ubuntu / clang-test-extended (ubuntu-24.04)	4m 45s
ubuntu / gcc-build-codecov	7m 39s
perf / macos-clang-build-perf-stats	1m 56s
perf / ubuntu-gcc-build-perf-stats	1m 28s
pages / build-scoreboard	13s
pages / build-doxygen-xml	21s
pages / build-sphinx	38s
pages / deploy-pages	0s
	1h 32m 7s

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