[PR 128-ecocode] replace EC34 by EC35 : update changelog

Author: dedece35

CHANGELOG.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - [#5](https://github.com/green-code-initiative/ecoCode-python/pull/5) Upgrade licence system and licence headers of Java files
+- [#6](https://github.com/green-code-initiative/ecoCode-python/pull/6) Adding EC35 rule : EC35 rule replaces EC34 with a specific use case ("file not found" sepcific)
 
 ### Deleted