Add release notes for lighthouse PR #1439

Release notes for submariner-io/lighthouse#1439

Signed-off-by: Tom Pantelis <[email protected]>

src/content/community/releases/_index.en.md

@@ -22,6 +22,7 @@ weight = 40
   `subctl join` instead.
 * Fixed an issue in Service Discovery where stale endpoint IPs, corresponding to services that no longer exist, were returned from DNS
   queries.
+* Fixed an issue in Service Discovery which caused an erroneous ServiceExport Conflict status condition to be reported.
 * The Gateway leader election was enhanced to not restart the pod when leadership is lost to avoid possible data path disruptions.
 
 ## v0.16.3 (January 11, 2024)