Update CHANGELOG.md to include recent feature additions and changes (#92)

Author: jongio

CHANGELOG.md

@@ -4,12 +4,17 @@
 
 ### Features Added
 
+- Azure Search Tools https://github.com/Azure/azure-mcp/pull/83
+
 ### Breaking Changes
 
 ### Bugs Fixed
 
 ### Other Changes
 
+- Arguments no longer echoed in response: https://github.com/Azure/azure-mcp/pull/79
+- Editorconfig and gitattributes updated: https://github.com/Azure/azure-mcp/pull/91
+
 ## 0.0.11 (2025-04-29)
 
 ### Features Added