CHANGELOG: add ArubaOS-CX power consumption fix

Exclude actual power consumption from output. Command "show environment power-consumption" has been introduced with ArubaOS-CX Long Support Release (LSR) version FL.10.13.xxx. This was not included in the previous LSR FL.10.10.xxx. Related issue is ytti#3142. Based on the work of @danpoltawski

CHANGELOG.md

@@ -14,7 +14,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
 ### Fixed
 - fixed prompt for vyos/vyatta to allow logins with non-priviliged accounts. Fixes #3111 (@h-lopez)
-
+- fixed power consumption included in ArubaOS-CX diffs starting with FL.10.13.xxx. Fixes #3142 (@terratalpi)
 
 ## [0.30.1 – 2024-04-12]