feat: generated CLI package installer

[cka-y]

Summary:
Closes #1674

Expected behavior:
CLI jar is now part of the artifacts in the Package Installers github action. The name is gtfs-validator-cli-[commit short hash]
Working example

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[davidgamez]

LGTM, I add two non-blocking comments.

[davidgamez]

LGTM! 💪

[github-actions]

✅ Rule acceptance tests passed.
New Errors: 0 out of 1495 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
Dropped Errors: 0 out of 1495 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
New Warnings: 0 out of 1495 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
Dropped Warnings: 0 out of 1495 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
16 out of 1511 sources (~1 %) are corrupted.
Corrupted sources:
ae-abu-dhabi-emirate-department-of-municipalities-and-transport-gtfs-1329
ar-buenos-aires-subterraneos-de-buenos-aires-subte-gtfs-6
at-unknown-bean-shuttle-gtfs-859
at-wien-wiener-lokalbahnen-wlb-gtfs-648
au-new-south-wales-byron-easybus-gtfs-666
au-queensland-bowen-gtfs-1167
au-queensland-duffys-buses-and-stewarts-sons-coaches-gtfs-672
au-queensland-haidleys-panoramic-coaches-gtfs-654
au-queensland-mackay-transit-coaches-gtfs-678
au-queensland-sunbus-rockhampton-gtfs-907
au-queensland-translink-brisbane-gtfs-1215
au-tasmania-merseylink-gtfs-1251
au-victoria-mornington-railway-gtfs-1281
be-vlaams-gewest-de-lijn-gtfs-684
fr-auvergne-rhone-alpes-cars-region-auvergne-rhone-alpes-transisere-gtfs-985
fr-grand-est-rezo-gtfs-1897
Commit: da12825
Download the full acceptance test report here (report will disappear after 90 days).
✅ Rule acceptance tests passed.