Update changelog for 6.14.5

Author: jslee02

CHANGELOG.md

@@ -2,6 +2,19 @@
 
 ## DART 6
 
+### [DART 6.14.5 (2024-09-08)](https://github.com/dartsim/dart/milestone/82?closed=1)
+
+* Tested Platforms
+
+  * Linux
+    * Ubuntu 22.04 LTS / GCC 11.4 / x86_64
+    * Ubuntu 24.04 LTS / GCC 13.2 / x86_64
+  * macOS 14 / Clang 15 / arm64
+  * Windows / MSVC 19.40 / x86_64
+
+* Fixed missing parentheses in config.hpp: [#1838](https://github.com/dartsim/dart/pull/1838)
+* Allowed negative scale for MeshShape: [#1841](https://github.com/dartsim/dart/pull/1841)
+
 ### [DART 6.14.4 (2024-07-06)](https://github.com/dartsim/dart/milestone/81?closed=1)
 
 * Tested Platforms