Update what's new

Author: okorach

migration/README.md

@@ -116,6 +116,7 @@ When sonar-migration complete successfully they return exit code 0. En case of f
 - Support of incremental dump of projects extracts
 - Display of HTTP requests duration in DEBUG logs
 - Fixes in documentation
+- Trimmed background task data to keep only what is need (to reduce memory and output JSON size)
 
 ## Version 0.2
 

migration/what-is-new.md

@@ -6,6 +6,7 @@
 - Support of incremental dump of projects extracts
 - Display of HTTP requests duration in DEBUG logs
 - Fixes in documentation
+- Trimmed background task data to keep only what is need (to reduce memory and output JSON size)
 
 # Version 0.2