chore(release): prepare for v0.6.0 (#183)

## [0.6.0] - 2026-09-17

### 🚀 Features

- *(metrics)* Record eventsourced pg outbox publishes and retries (#182)

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---

**Note:** Please use **Squash Merge** when merging this PR.

Reviewed-on: https://gitea.unbound.se/shiny/otelsetup/pulls/183
Co-authored-by: Unbound Releaser <releaser@unbound.se>

.version

@@ -1,3 +1,3 @@
 {
-  "version": "v0.5.0"
+  "version": "v0.6.0"
 }

CHANGELOG.md

@@ -2,7 +2,13 @@
 
 All notable changes to this project will be documented in this file.
 
-## [0.5.0] - 2026-09-11
+## [0.6.0] - 2026-09-17
+
+### 🚀 Features
+
+- *(metrics)* Record eventsourced pg outbox publishes and retries (#182)
+
+## [0.5.0] - 2026-09-14
 
 ### 🚀 Features