Update CHANGELOG.md

Co-authored-by: Steven Giesel <stgiesel35@gmail.com>

Author: g41797

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to **ValueStringBuilder** will be documented in this file. T
 
 <!-- The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) -->
 
-## [Unreleased] - 2023-10-19
+## [Unreleased]
 
 ### Added