chore(release): prepare for v0.6.1 (#185)

## [0.6.1] - 2026-09-19

### 🐛 Bug Fixes

- Close idle OTLP connections before the collector does (#184)

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---

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

Reviewed-on: https://gitea.unbound.se/shiny/otelsetup/pulls/185
Co-authored-by: Unbound Releaser <releaser@unbound.se>

.version

@@ -1,3 +1,3 @@
 {
-  "version": "v0.6.0"
+  "version": "v0.6.1"
 }

CHANGELOG.md

@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.6.1] - 2026-09-19
+
+### 🐛 Bug Fixes
+
+- Close idle OTLP connections before the collector does (#184)
+
 ## [0.6.0] - 2026-09-17
 
 ### 🚀 Features