Only install 18+ JIT package on architectures where it's supported #618

Job	Run time
Generate Jobs	37s
17.5	1m 13s
18beta1-alpine3.21	6m 14s
17.5-alpine3.22	6m 0s
16.9-bullseye	1m 11s
18beta1	1m 16s
16.9-alpine3.21	5m 29s
15.13-alpine3.22	5m 26s
14.18	1m 13s
17.5-alpine3.21	6m 7s
15.13	1m 13s
17.5-bullseye	1m 15s
16.9-alpine3.22	5m 35s
14.18-bullseye	1m 11s
18beta1-alpine3.22	6m 12s
18beta1-bullseye	1m 17s
15.13-bullseye	1m 16s
14.18-alpine3.22	5m 32s
15.13-alpine3.21	5m 29s
16.9	1m 12s
14.18-alpine3.21	5m 23s
13.21	1m 11s
13.21-alpine3.21	5m 16s
18beta1 (force deb build)	13m 20s
13.21-alpine3.22	5m 9s
16.9 (force deb build)	12m 37s
18beta1-bullseye (force deb build)	12m 30s
14.18-bullseye (force deb build)	11m 24s
17.5-bullseye (force deb build)	12m 14s
13.21 (force deb build)	11m 29s
14.18 (force deb build)	12m 14s
15.13 (force deb build)	12m 21s
15.13-bullseye (force deb build)	11m 43s
16.9-bullseye (force deb build)	11m 59s
13.21-bullseye (force deb build)	10m 34s
13.21-bullseye	1m 9s
17.5 (force deb build)	13m 32s
	3h 49m 3s

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