URLs for `uscourts_courts` and `usdot_ports` are broken

uscourts_courts.py tries to get data from a US Courts API. but per #1320, the URL can no longer be found

this PACER API may be a good alternative: https://pacer.uscourts.gov/file-case/court-cmecf-lookup/data.json

or this Court Listener API

usdot_ports is broken the same way. Its ArcGIS layer now returns {"error":{"code":499,"message":"Token Required"}}, so it isn't public any more. Last good archive is 20250722. Needs a replacement NTAD source; geo.dot.gov didn't have an obvious one.

Current state of the uscourts block: www.uscourts.gov/ serves fine, but /federal-court-finder* returns 403 from AkamaiGHost. A browser User-Agent and full browser headers don't clear it, so it's a path rule, not a bot filter. Same shape as the USPS block we solved with session-header replay. Last good archive is uscourts_nyc_courts/20260208.

Both leave facdb on stale inputs: it currently reads uscourts_courts at 20240813.

Start with dcpy/library/script/uscourts_courts.py and the usdot_ports script, then compare their current sources with the last good archives noted in the issue. Evaluate the PACER or Court Listener options for courts and identify a replacement NTAD source for ports. Done means both scripts retrieve current data and facdb no longer reads the stale 20240813 courts input.