chore: add postgres 18 beta1 #611

Job	Run time
Generate Jobs	37s
18beta1	1m 13s
18beta1-bullseye	1m 22s
18beta1-alpine3.22	6m 20s
17.5-alpine3.22	6m 7s
18beta1-alpine3.21	6m 16s
17.5-bullseye	1m 12s
17.5	1m 18s
17.5-alpine3.21	6m 5s
16.9-alpine3.21	5m 37s
16.9-bullseye	1m 16s
16.9	1m 8s
15.13	1m 11s
16.9-alpine3.22	5m 44s
15.13-bullseye	1m 12s
15.13-alpine3.22	5m 28s
15.13-alpine3.21	5m 26s
14.18-alpine3.22	5m 25s
14.18	1m 16s
14.18-alpine3.21	5m 21s
13.21	1m 11s
14.18-bullseye	1m 10s
13.21-alpine3.22	4m 59s
17.5 (force deb build)	12m 45s
18beta1 (force deb build)	13m 27s
13.21-bullseye	1m 10s
13.21-alpine3.21	5m 7s
18beta1-bullseye (force deb build)	12m 17s
16.9-bullseye (force deb build)	11m 42s
15.13 (force deb build)	12m 22s
14.18-bullseye (force deb build)	11m 43s
16.9 (force deb build)	12m 26s
14.18 (force deb build)	11m 47s
13.21 (force deb build)	11m 24s
13.21-bullseye (force deb build)	10m 55s
15.13-bullseye (force deb build)	11m 43s
17.5-bullseye (force deb build)	12m 43s
	3h 48m 25s

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