update header-line background #100

Job	Run time
test (ubuntu-latest, 26.3, false)	7m 22s
test (ubuntu-latest, 27.2, false)	7m 22s
test (ubuntu-latest, 28.2, false)	7m 23s
test (ubuntu-latest, 29.4, false)	11m 46s
test (macos-latest, 28.2, false)	5m 17s
test (macos-latest, 29.4, false)	7m 29s
test (windows-latest, 26.3, false)	1m 13s
test (windows-latest, 27.2, false)	1m 18s
test (windows-latest, 28.2, false)	1m 14s
test (windows-latest, 29.4, false)	1m 7s
test (ubuntu-latest, snapshot, true)	5m 6s
test (macos-latest, snapshot, true)	3m 49s
test (windows-latest, snapshot, true)	1m 13s
	1h 1m 39s

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