chore(changelog): swithc to using lowercase

Author: sabinem

CHANGELOG.md

@@ -1,16 +1,16 @@
 ## Changelog
 
-- v0.3.0 Dashboard refactoring
-    - Dashboard was refactored since code files were getting too long
-    - Homepage of the dashboard got an upgrade and also contains now connection checks
+- v0.3.0 dashboard refactoring
+    - dashboard was refactored since code files were getting too long
+    - homepage of the dashboard got an upgrade and also contains now connection checks
     - the execution run page is now only accessible via the execution
     - the workflow in the dashboard has been improved
     - the docker compose setup has now a dev and a prod file
     - log levels for dashboard and docker runs can now be set separately   
 
-- v0.2.8: Bug fixes and settings updates
+- v0.2.8: bug fixes and settings updates
 
-- v0.2.7 Hotfix for environment variable
+- v0.2.7 hotfix for environment variable
     - hotfix ODTP port in docker compose
 
 - v0.2.6: Bugs correction