Add note about expected behavior with Workers subrequets

Author: RebeccaTamachiro

src/content/docs/aegis/configuration-options/workers.mdx

@@ -12,3 +12,7 @@ head:
 [Workers](/workers/) provides a serverless execution environment for you to create applications leveraging Cloudflare's global network.
 
 When paired with Aegis, whenever Cloudflare's developer platform needs to access services on your origin, it will use the dedicated IP addresses.
+
+:::note
+For Workers subrequests, it is expected that other IPs are used.
+:::