Add Polish Ruby User Group, Prague.rb and Rails Taiwan Meetups (ruby-conferences#751)

Co-authored-by: marcoroth <marcoroth@users.noreply.github.com>

Author: github-actions[bot]

_data/meetup_groups.yml

@@ -481,6 +481,8 @@
 - id: polishrubyusergroup
   name: Polish Ruby User Group
   service: meetupdotcom
+  remove:
+    - (PLRUG)
 
 - id: portland-ruby-brigade
   name: Portland Ruby Brigade

_data/meetups.yml

@@ -1763,6 +1763,13 @@
   end_time: 22:30:00 NZST
   url: https://www.meetup.com/christchurch-ruby-group/events/303133371
 
+- name: 'Polish Ruby User Group - Warsaw meetup #September'
+  location: Warszawa, Poland
+  date: 2024-09-19
+  start_time: 18:00:00 CEST
+  end_time: 21:00:00 CEST
+  url: https://www.meetup.com/polishrubyusergroup/events/303197441
+
 - name: Portland Ruby Brigade - Cocktails + Code September 2024
   location: Portland, OR
   date: 2024-09-19
@@ -2761,6 +2768,20 @@
   end_time: 20:00:00 EDT
   url: https://www.meetup.com/rubyjax/events/llklbtygcqbpc
 
+- name: Prague.rb - First Wednesday Of The Month - Ruby January 2025
+  location: Prague, Czechia
+  date: 2025-01-01
+  start_time: 19:00:00 CEST
+  end_time: 19:00:00 CEST
+  url: https://www.meetup.com/praguerb/events/dkmktfyhccbcb
+
+- name: Rails Taiwan - 高雄 Rails Meetup January 2025
+  location: Kaohsiung, Taiwan
+  date: 2025-01-01
+  start_time: 19:00:00 CST
+  end_time: 19:00:00 CST
+  url: https://www.meetup.com/rails-taiwan/events/qxfvjkyhccbcb
+
 - name: Philly.rb - Pubnite January 2025
   location: Online
   date: 2025-01-14