chore: prepare release 0.0.26 - update changelog with all changes

- Added date 2026-04-07 to [0.0.26]
- Added missing friendly display name entries for #553, #554, #555

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: rajbos

vscode-extension/CHANGELOG.md

@@ -6,11 +6,12 @@ Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how
 
 ## [Unreleased]
 
-## [0.0.26]
+## [0.0.26] - 2026-04-07
 
 ### ✨ Features & Improvements
 - Split usage analysis view into 3 tabs for better navigation (#540)
 - Added missing friendly display names for MCP and VS Code tools (#539)
+- Added friendly display names for `mcp_gitkraken_git_log_or_diff`, `copilot_runInTerminal`, `mcp_laravel-boost_tinker`, and Power BI MCP tools (#553, #554, #555)
 
 ### 🐛 Bug Fixes
 - Fixed loading stalls during session discovery (#545)