Trenitalia: Add Monte Porzio Catone; map unknown location IDs

[lucavezz]

This PR adds the new Monte Porzio Catone destination from Trenitalia, plus maps all the unknown location IDs logged in the last month.

[github-actions[bot]]

:heavy_plus_sign: Stations added

• 74655 – Monte Porzio Catone (monte-porzio-catone)
  • uic is 8313927
  • latitude is 41.816418
  • longitude is 12.715610
  • country is IT
  • time_zone is Europe/Rome
  • is_suggestable is enabled :white_check_mark:
  • trenitalia_id is 8313927
  • trenitalia_is_enabled is enabled :white_check_mark:
  • normalised_code is urn:trainline:public:nloc:csv74655

    Stations changed

• 6195 – Langnau im Emmental
  • :heavy_plus_sign: trenitalia_id was added, value is 8508207
• 7067 – Ludwigsburg
  • :heavy_plus_sign: trenitalia_id was added, value is 8029017
• 7473 – Bonn Hbf
  • :heavy_plus_sign: trenitalia_id was added, value is 8015485
• 7572 – Darmstadt Hbf
  • :heavy_plus_sign: trenitalia_id was added, value is 8011336
• 7603 – Frankfurt (Main) Süd
  • :heavy_plus_sign: trenitalia_id was added, value is 8011065
• 16778 – München Hbf Gleis 5-10
  • :heavy_plus_sign: trenitalia_id was added, value is 8069685
• 18227 – Wohlen AG
  • :heavy_plus_sign: trenitalia_id was added, value is 8502213
• 18244 – Lachen
  • :heavy_plus_sign: trenitalia_id was added, value is 8503220