Update Go Feature Management v1.1.2 release date to April 16, 2026

Agent-Logs-Url: https://github.com/Azure/AppConfiguration/sessions/01ae8079-689b-4e7d-a8ef-e9830f6f046d

Co-authored-by: linglingye001 <143174321+linglingye001@users.noreply.github.com>

Author: Copilot

releaseNotes/GoFeatureManagement.md

@@ -2,7 +2,7 @@
 
 [Source code][source_code] | [Package][package] | [Samples][samples]
 
-## v1.1.2 - April 15, 2026
+## v1.1.2 - April 16, 2026
 
 ### Bug Fixes