chore(release): Changelog for 12.0.1 and 11.5.1

Signed-off-by: Vitor Mattos <[email protected]>

Author: vitormattos

CHANGELOG.md

@@ -18,6 +18,10 @@ Types of changes:
 
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+## 11.5.1 - 2025-11-13
+### Fixes
+- fix: prevent error when the response dont have data [#5553](https://github.com/LibreSign/libresign/pull/5553)
+- fix: workaround to make compatible with different structures [#5555](https://github.com/LibreSign/libresign/pull/5555)
 
 ## 11.5.0 - 2025-11-10
 ### Features