fix: heartbeat url

Author: Yolijn

static/heartbeat/heartbeat.ics

@@ -39,15 +39,14 @@ DESCRIPTION:In de Heartbeat vertelt het kernteam van NL Design System el
  sessie dezelfde\, vaste\, vergaderlink:\n_______________________________
  _________________________________________________\nMicrosoft Teams-verga
  dering\nNeem deel via uw computer of mobiele app\nKlik hier om aan de ve
- rgadering deel te nemen https://teams.microsoft.com/l/meetup-join/19%3am
- eeting_ZTU3NjcxYzAtY2M0NS00NmNjLWJkM2MtNDBiZTQ0MDRlNjZk%40thread.v2/0?co
- ntext=%7b%22Tid%22%3a%226b1d3da2-3751-4e3d-b3c9-e6784c8bad70%22%2c%22Oid
- %22%3a%2237fcbe4b-14ba-4ec9-94f2-c012acb70020%22%7d\n\n
-X-APPLE-CREATOR-IDENTITY:com.apple.calendar
+ rgadering deel te nemen https://teams.microsoft.com/l/meetup-join/19:mee
+ ting_ZTU3NjcxYzAtY2M0NS00NmNjLWJkM2MtNDBiZTQ0MDRlNjZk@thread.v2/0?contex
+ t=%7B%22Tid%22:%226b1d3da2-3751-4e3d-b3c9-e6784c8bad70%22,%22Oid%22:%223
+ 7fcbe4b-14ba-4ec9-94f2-c012acb70020%22%7D\n\n
 SEQUENCE:5
 SUMMARY:Heartbeat - NL Design System
 DTSTART;TZID=Europe/Amsterdam:20240903T130000
-LAST-MODIFIED:20240710T075507Z
+LAST-MODIFIED:20250120T075507Z
 CREATED:20240709T143910Z
 RRULE:FREQ=WEEKLY;INTERVAL=2;BYDAY=TU
 BEGIN:VALARM