Add Orange County Ruby Meetup October 2025 (ruby-conferences#1097)

Co-authored-by: Marco Roth <marco.roth@intergga.ch>

Author: github-actions[bot]

_data/meetups.yml

@@ -7422,3 +7422,10 @@
   start_time: 18:00:00 EAT
   end_time: 20:00:00 EAT
   url: https://www.meetup.com/african_ruby_community/events/mbgmgtyhcnbmb
+
+- name: Orange County Ruby - Ruby Science October 2025
+  location: Online
+  date: 2025-10-13
+  start_time: 10:00:00 PDT
+  end_time: 11:00:00 PDT
+  url: https://www.meetup.com/ocruby/events/sdczltyhcnbrb