fix(data): Update timezone to CET/CEST in recurring_events.toml

Author: neural-loop

data/recurring_events.toml

@@ -6,14 +6,14 @@ description = """
 Are you interested in neuromorphics and want to contribute to the open source community? ✨
 Then join the community coding sessions where we improve the neuromorphic software ecosystem, one issue at the time 🚀
 
-We'll meet every Monday from 16-18 CET on the Open Neuromorphic Discord server.
+We'll meet every Monday from 16-18 CET/CEST on the Open Neuromorphic Discord server.
 
 Active projects and issues that need help are listed here: https://github.com/open-neuromorphic/coding
 """
 day_of_week = "Monday" # Case-sensitive, full day name
 start_time = "16:00"   # 24-hour format HH:MM
 end_time = "18:00"     # 24-hour format HH:MM
-time_zone = "CET"      # Or "CEST" as appropriate. Be mindful of DST.
+time_zone = "CET/CEST"      # Or "CEST" as appropriate. Be mindful of DST.
 location_name = "Open Neuromorphic Discord"
 location_url = "https://discord.gg/hUygPUdD8E"
 details_page_link = "/neuromorphic-computing/software/hacking-hours/" # Link to the main Hacking Hours page