Change `PGDATA` in 17+ to `/var/lib/postgresql/MAJOR/docker` #499

Job	Run time
Generate Jobs	33s
17beta2	1m 12s
17beta2-bullseye	1m 17s
17beta2-alpine3.20	5m 38s
17beta2-alpine3.19	5m 34s
16.3	1m 14s
16.3-bullseye	1m 23s
16.3-alpine3.20	5m 20s
16.3-alpine3.19	5m 13s
15.7	1m 17s
15.7-bullseye	1m 17s
15.7-alpine3.20	5m 6s
15.7-alpine3.19	5m 4s
14.12	1m 14s
14.12-bullseye	1m 16s
14.12-alpine3.20	5m 8s
14.12-alpine3.19	5m 1s
13.15	1m 14s
13.15-bullseye	1m 14s
13.15-alpine3.20	4m 51s
13.15-alpine3.19	4m 44s
12.19	1m 16s
12.19-bullseye	1m 31s
12.19-alpine3.20	4m 40s
12.19-alpine3.19	4m 39s
17beta2 (force deb build)	13m 32s
17beta2-bullseye (force deb build)	12m 12s
16.3 (force deb build)	12m 43s
16.3-bullseye (force deb build)	11m 55s
15.7 (force deb build)	12m 25s
15.7-bullseye (force deb build)	11m 19s
14.12 (force deb build)	11m 55s
14.12-bullseye (force deb build)	10m 58s
13.15 (force deb build)	11m 42s
13.15-bullseye (force deb build)	10m 36s
12.19 (force deb build)	11m 22s
12.19-bullseye (force deb build)	10m 27s
	3h 38m 2s

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