Update changelog for 1.19.6 (#12064)

Author: Colengms

Extension/CHANGELOG.md

@@ -1,5 +1,9 @@
 # C/C++ for Visual Studio Code Changelog
 
+## Version 1.19.6: March 6, 2024
+### Enhancement
+* Performance improvement.
+
 ## Version 1.19.5: March 4, 2024
 ### Enhancements
 * Change how `args` and `command` fields are handled in `cppbuild` tasks, to match the behavior of VS Code `shell` build tasks, including explicit `quoting` support. [#12001](https://github.com/microsoft/vscode-cpptools/issues/12001)

Extension/package.json

@@ -2,7 +2,7 @@
     "name": "cpptools",
     "displayName": "C/C++",
     "description": "C/C++ IntelliSense, debugging, and code browsing.",
-    "version": "1.19.5-main",
+    "version": "1.19.6-main",
     "publisher": "ms-vscode",
     "icon": "LanguageCCPP_color_128x.png",
     "readme": "README.md",