script/*: fix gpg usage wrt keyboxd #6208

Job	Run time
cross-i386	1m 23s
cross-i386 (runc_nodmz)	1m 20s
test (ubuntu-20.04, 1.20.x, rootless, -race)	6m 49s
test (ubuntu-20.04, 1.20.x, rootless)	7m 2s
test (ubuntu-20.04, 1.20.x, -race)	7m 33s
test (ubuntu-20.04, 1.20.x)	6m 33s
test (ubuntu-20.04, 1.21.x, rootless, -race)	6m 34s
test (ubuntu-20.04, 1.21.x, rootless)	6m 47s
test (ubuntu-20.04, 1.21.x, -race)	7m 42s
test (ubuntu-20.04, 1.21.x)	6m 49s
test (ubuntu-20.04, 1.21.x, criu-dev)	7m 26s
test (ubuntu-24.04, 1.20.x, rootless, -race)	9m 41s
test (ubuntu-24.04, 1.20.x, rootless)	9m 22s
test (ubuntu-24.04, 1.20.x, -race)	8m 8s
test (ubuntu-24.04, 1.20.x)	8m 18s
test (ubuntu-24.04, 1.21.x, rootless, -race)	9m 31s
test (ubuntu-24.04, 1.21.x, rootless)	9m 8s
test (ubuntu-24.04, 1.21.x, -race)	7m 38s
test (ubuntu-24.04, 1.21.x)	6m 39s
test (ubuntu-24.04, 1.21.x, runc_nodmz)	6m 44s
test (ubuntu-24.04, 1.21.x, criu-dev)	6m 57s
test (actuated-arm64-6cpu-8gb, 1.21.x, rootless)	11m 36s
test (actuated-arm64-6cpu-8gb, 1.21.x)	7m 53s
	2h 47m 33s

Provide feedback