[Security Solution][Detection Engine] - Update exceptions logic (#71512)

Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
Co-authored-by: Yara Tercero <yara.tercero@elastic.co>

Author: 2 people

x-pack/plugins/lists/server/scripts/lists/new/items/ip_item.json

@@ -1,5 +1,5 @@
 {
   "id": "ip_item",
   "list_id": "ip_list",
-  "value": "10.4.2.140"
+  "value": "127.0.0.1"
 }

x-pack/plugins/lists/server/scripts/lists/new/items/keyword_item.json

@@ -1,4 +1,4 @@
 {
   "list_id": "keyword_list",
-  "value": "kibana"
+  "value": "zeek"
 }