docs: explain how to find a clang-format patch generated by CI #3162

Job	Run time
dependencies (linux, gcc, Debug)	2h 49m 27s
dependencies (linux, gcc, Debug)	7m 27s
dependencies (linux, gcc, Release)	2h 49m 4s
dependencies (linux, gcc, Release)	14m 16s
dependencies (linux, clang, Debug)	30m 27s
dependencies (linux, clang, Debug)	30m 27s
dependencies (linux, clang, Release)	2h 49m 59s
dependencies (linux, clang, Release)	6m 22s
test	1s
coverage	1s
coverage (linux, gcc, Debug)	15m 33s
test (linux, gcc, Debug)	14m 7s
test (linux, gcc, Debug, -Dunity=ON)	7m 55s
test (linux, gcc, Release)	14m 43s
test (linux, gcc, Release, -Dunity=ON)	12m 58s
test (linux, clang, Debug)	18m 23s
test (linux, clang, Debug, -Dunity=ON)	6m 22s
test (linux, clang, Release)	12m 58s
test (linux, clang, Release, -Dunity=ON)	8m 35s
	11h 49m 5s

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