nix

TRIVIAL: Update release instructions #4778

Job	Run time
dependencies (linux, gcc, Debug)	3m 18s
dependencies (linux, gcc, Release)	2m 16s
dependencies (linux, clang, Debug)	2m 50s
dependencies (linux, clang, Release)	2m 21s
coverage (linux, gcc, Debug)	13m 24s
test (linux, gcc, Debug)	11m 13s
test (linux, gcc, Debug, -Dunity=ON)	8m 2s
test (linux, gcc, Release)	12m 13s
test (linux, gcc, Release, -Dunity=ON)	8m 16s
test (linux, clang, Debug)	9m 4s
conan	3m 6s
test (linux, clang, Debug, -Dunity=ON)	6m 25s
test (linux, clang, Release)	11m 20s
test (linux, clang, Release, -Dunity=ON)	8m 23s
	1h 42m 11s

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