chore: update CHANGELOG.md for v0.7.0

Author: actions-user

changelog_cli/CHANGELOG.md

@@ -9,6 +9,17 @@
 - handle argument precendence correctly (arguments>config file>defaults) as it was not working for some arguments with default values, improve verbose logging
 
 
+## 0.7.0
+
+**Features**
+
+- add support for output file parameter for changelog generation - will prepend new content to the existing file
+
+**Bug Fixes**
+
+- handle argument precendence correctly (arguments>config file>defaults) as it was not working for some arguments with default values, improve verbose logging
+
+
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