Merge pull request #15 from oposs/release/v2.3.1

Release v2.3.1

Author: oetiker

CHANGES.md

@@ -7,8 +7,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### New
+
 ### Changed
 
+### Fixed
+
+## 2.3.1 - 2026-08-20
+### Changed
 - The Checkmk plugin development skill has moved to its own repository,
   `oposs/cmk-oposs-plugin`. This repository is now only the packaging action. Holding both
   behind one version number misfired in both directions: v2.2.2 changed five action files
@@ -18,12 +24,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   which went with the skill. A GitHub Action is not a Claude plugin and has no reason to
   carry a plugin manifest.
 
-### New
-
-### Changed
-
-### Fixed
-
 ## 2.3.0 - 2026-08-20
 ### New
 - The skill now ships a test harness. A plugin repo can run pytest against the real Checkmk API, pulled from Checkmk and pinned to the version the plugin targets, instead of against hand-written stubs.