test

Only allow specific trailers #375

Job	Run time
ruby-versions / Generate Ruby versions	6s
build (2.4 / ubuntu-latest)	27s
build (2.7 / macos-latest)	33s
build (2.5 / ubuntu-latest)	29s
build (3.0 / ubuntu-latest)	17s
build (3.3 / ubuntu-latest)	46s
build (3.0 / macos-latest)	27s
build (3.2 / ubuntu-latest)	49s
build (4.0 / ubuntu-latest)	39s
build (2.6 / macos-latest)	50s
build (2.7 / ubuntu-latest)	33s
build (3.1 / macos-latest)	23s
build (head / macos-latest)	25s
build (3.1 / ubuntu-latest)	22s
build (3.3 / macos-latest)	35s
build (3.4 / ubuntu-latest)	45s
build (3.2 / macos-latest)	39s
build (head / ubuntu-latest)	34s
build (2.6 / ubuntu-latest)	29s
build (3.4 / macos-latest)	38s
build (4.0 / macos-latest)	42s
	11m 28s

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