Merge pull request 'chore(release): prepare for v0.4.1' (#270) from next-release into main

Reviewed-on: https://gitea.unbound.se/shiny/authz_client/pulls/270

.version

@@ -1,3 +1,3 @@
 {
-  "version": "v0.4.0"
+  "version": "v0.4.1"
 }

CHANGELOG.md

@@ -2,6 +2,13 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.4.1] - 2026-01-09
+
+### ⚙️ Miscellaneous Tasks
+
+- *(deps)* Update actions/setup-python action to v6
+- Migrate module path to gitea.unbound.se
+
 ## [0.4.0] - 2026-01-09
 
 ### 🚀 Features