bootstrap: fixed archlinux image tag on CI #78

Job	Run time
linux/fedora:40/admin / bootstrap	35m 54s
linux/fedora:40/dev_single / bootstrap	35m 20s
linux/fedora:39/admin / bootstrap	35m 11s
linux/fedora:39/dev_single / bootstrap	33m 3s
macos/macos-13/admin / bootstrap	25m 53s
linux/archlinux:latest/admin / bootstrap	15s
linux/archlinux:latest/dev_single / bootstrap	12s
macos/macos-14/admin / bootstrap	41s
macos/macos-13/dev_single / bootstrap	25m 38s
macos/macos-14/dev_single / bootstrap	53s
	3h 13m 0s

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