Reduce strike action timeout from 1 hour to 5 minutes

- Updated strike level 3 timeout duration from 3600s (1 hour) to 300s (5 minutes)
- Changes applied across models, config defaults, templates, schemas, and tests
- Makes moderation system less harsh while maintaining discipline

tests/test_config.py

@@ -360,7 +360,7 @@ class TestSettingsGuildDefaults:
         defaults = GuildDefaults()
         assert defaults.strike_actions == {
             "1": {"action": "warn"},
-            "3": {"action": "timeout", "duration": 3600},
+            "3": {"action": "timeout", "duration": 300},
             "5": {"action": "kick"},
             "7": {"action": "ban"},
         }