update release notes

Author: msrivastav13

CHANGELOG.md

@@ -4,6 +4,7 @@ All notable changes to the "dx-code-companion" extension will be documented in t
 ### 0.4.7
 
 1. Update npm libraries to latest.
+2. Diff view now respects current UI theme set by user
 
 ### 0.4.6
 

README.md

@@ -114,6 +114,7 @@ To open command pallete and look for all CCDX Commands use below .
 ### 0.4.7
 1.Update npm libraries to latest. Fixes Security Vulnerabilities
 2.Update mo-dx-plugins using sfdx plugins:update to get latest CLI plugin extension that powers this extension
+3.Diff view now respects current UI theme set by user
 
 ### 0.4.6
 1.Update npm libraries to latest. Fixes Security Vulnerabilities