OBSERVE-190 Update docs to reflect new possible ASN for Observatory tests (#26327)

Author: thatzopoulos-cloudflare

src/content/partials/speed/user-agents.mdx

@@ -6,7 +6,7 @@
 :::note
 
 
-For **IPv6** Cloudflare Observatory tests originate from **ASN 15169** and are generated with the following user agents:
+For **IPv6** Cloudflare Observatory tests originate from **ASN 15169** or **ASN 132892** and are generated with the following user agents:
 
 * Mozilla/5.0 (Linux; Android 11; Moto G Power (2022)) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Mobile Safari/537.36
 * Mozilla/5.0 (Macintosh; Intel Mac OS X 10\_15\_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36