fix typo (#13630)

1.26.0->1.26.1

Author: heartacker

Extension/CHANGELOG.md

@@ -1,6 +1,6 @@
 # C/C++ for Visual Studio Code Changelog
 
-## Version 1.26.0: May 22, 2025
+## Version 1.26.1: May 22, 2025
 ### Bug Fixes
 * Fix include completion adding an extra `"` in `insert` mode. [#13615](https://github.com/microsoft/vscode-cpptools/issues/13615)
 * Fix a bug with compiler querying of MinGW. [#13622](https://github.com/microsoft/vscode-cpptools/issues/13622)
@@ -2553,4 +2553,4 @@
 
 ## Version 0.5.0: April 14, 2016
 * Usability and correctness bug fixes.
-* Simplify installation experience.
+* Simplify installation experience.