Moved os2forms_digital_signature changelog entry

Author: jekuaitk

CHANGELOG.md

@@ -13,6 +13,8 @@ before starting to add changes. Use example [placed in the end of the page](#exa
 
 - [PR-179](https://github.com/OS2Forms/os2forms/pull/179)
   Remove unused and abandoned package `webmozart/path-util`.
+- [PR-167](https://github.com/OS2Forms/os2forms/pull/167)
+  Adding os2forms_digital_signature module
 
 ## [4.1.0] 2025-06-03
 
@@ -25,7 +27,6 @@ before starting to add changes. Use example [placed in the end of the page](#exa
   - Fix digital post commands
   - Updated versions in GitHub Actions `uses` steps
 - Updating the display of os2forms package on the status page
-- Adding os2forms_digital_signature module
 
 ## [4.0.0] 2025-03-06