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

config/schemas/guild-schema.yml

@@ -124,7 +124,7 @@ properties:
                     description: "Duration in seconds (for timeout/ban)"
             default:
               "1": {action: warn}
-              "3": {action: timeout, duration: 3600}
+              "3": {action: timeout, duration: 300}
               "5": {action: kick}
               "7": {action: ban}