service configs: drop router to max 6 instances, hub rollback window to 50k

atproto_hub.yaml

@@ -32,7 +32,7 @@ env_variables:
   MOD_SERVICE_DID: did:plc:ar7c4by46qjdydhdevvrndac
   # ...or test against labeler.dholms.xyz / did:plc:vzxheqfwpbi3lxbgdh22js66
 
-  ROLLBACK_WINDOW: 100000
+  ROLLBACK_WINDOW: 50000
   SUBSCRIBE_REPOS_BATCH_DELAY: 10
 
 # need only one instance so that new commits can be delivered to subscribeRepos

router.yaml

@@ -28,7 +28,7 @@ env_variables:
 
 automatic_scaling:
   min_num_instances: 2
-  max_num_instances: 10
+  max_num_instances: 6
   cpu_utilization:
     target_utilization: 0.9