Merge pull request 'chore(release): prepare for 1.6.0' (#224) from next-release into main

Reviewed-on: https://gitea.unbound.se/unboundsoftware/default-request-adder/pulls/224

.version

@@ -1,3 +1,3 @@
 {
-  "version": "1.5.0"
+  "version": "1.6.0"
 }

CHANGELOG.md

@@ -2,6 +2,17 @@
 
 All notable changes to this project will be documented in this file.
 
+## [1.6.0] - 2026-01-16
+
+### 🚀 Features
+
+- Add multi-platform build support (amd64, arm64)
+
+### ⚙️ Miscellaneous Tasks
+
+- *(deps)* Update golang:1.25.5 docker digest to 3a01526 (#223)
+- *(deps)* Update dependency go to v1.25.6 (#225)
+
 ## [1.5.0] - 2026-01-10
 
 ### 🚀 Features