Reduce action description in action.yml (GHA Marketplace constraint) #368

Job	Run time
Test option hexpm-mirrors with a dummy first mirror (ubuntu-22.04, 24, v1.14, true, true)	1m 3s
Test option hexpm-mirrors with a dummy first mirror (ubuntu-22.04, 24, v1.14, true, false)	1m 13s
Test option hexpm-mirrors with a dummy first mirror (ubuntu-22.04, 24, v1.14, false, true)	1m 15s
Test option hexpm-mirrors with a dummy first mirror (ubuntu-22.04, 24, v1.14, false, false)	59s
Test option hexpm-mirrors with a dummy first mirror (ubuntu-22.04, 24, true, true)	30s
Test option hexpm-mirrors with a dummy first mirror (ubuntu-22.04, 24, true, false)	40s
Test option hexpm-mirrors with a dummy first mirror (ubuntu-22.04, 24, false, true)	28s
Test option hexpm-mirrors with a dummy first mirror (ubuntu-22.04, 24, false, false)	36s
Test option hexpm-mirrors with a dummy first mirror (windows-2022, 24, v1.14, true, true)	1m 5s
Test option hexpm-mirrors with a dummy first mirror (windows-2022, 24, v1.14, true, false)	1m 6s
Test option hexpm-mirrors with a dummy first mirror (windows-2022, 24, v1.14, false, true)	1m 14s
Test option hexpm-mirrors with a dummy first mirror (windows-2022, 24, v1.14, false, false)	1m 2s
Test option hexpm-mirrors with a dummy first mirror (windows-2022, 24, true, true)	30s
Test option hexpm-mirrors with a dummy first mirror (windows-2022, 24, true, false)	32s
Test option hexpm-mirrors with a dummy first mirror (windows-2022, 24, false, true)	42s
Test option hexpm-mirrors with a dummy first mirror (windows-2022, 24, false, false)	28s
	13m 23s

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