Drop SIG Std/Cert meeting on 2025-10-28 (#397)

too many people can't make it

Signed-off-by: Matthias Büchse <matthias.buechse@alasca.cloud>

Author: mbuechse

teams/sig_standard_cert/team_meetings.yml

@@ -111,4 +111,5 @@ events:
         weeks: 1
       until: 2025-12-19
       except_on:
+        - 2025-10-28 10:05:00  # too many people won't make it
         - 2025-11-04 10:05:00  # ALASCA Summit 2025