Fix release notes, v5.4.1 was missing

Author: reinkrul

docs/pages/release_notes.rst

@@ -4,13 +4,23 @@ Release notes
 #############
 
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-Hazelnut update (v5.4.1)
+Hazelnut update (v5.4.2)
 ************************
 
 Release date: 2023-08-20
 
 - Fixed issue where NutsEmployeeCredentials needed to be explicitly trusted when issued by another node
 
+**Full Changelog**: https://github.com/nuts-foundation/nuts-node/compare/v5.4.1...v5.4.2
+
+************************
+Hazelnut update (v5.4.1)
+************************
+
+Release date: 2023-07-24
+
+Fixed versioning issue.
+
 **Full Changelog**: https://github.com/nuts-foundation/nuts-node/compare/v5.4.0...v5.4.1
 
 ************************