add to color scheme #69

Job	Run time
test (ubuntu-latest, head)	12s
test (ubuntu-latest, 3.3)	12s
test (ubuntu-latest, 3.2)	12s
test (ubuntu-latest, 3.1)	17s
test (ubuntu-latest, 3.0)	16s
test (ubuntu-latest, jruby)	42s
test (ubuntu-latest, jruby-head)	42s
test (ubuntu-latest, truffleruby)	32s
test (ubuntu-latest, truffleruby-head)	30s
test (ubuntu-latest, truffleruby+graalvm)	1m 29s
test (windows-latest, head)	1m 5s
test (windows-latest, 3.3)	1m 22s
test (windows-latest, mingw)	55s
test (windows-latest, mswin)	1m 6s
test (windows-latest, ucrt)	1m 1s
test (macos-latest, head)	12s
test (macos-latest, 3.3)	15s
	11m 0s

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