update CHANGELOG and documentation

Author: marco-m-pix4d

CHANGELOG.md

@@ -11,11 +11,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Update to Go 1.25.
 
-## [Unreleased] - 
-
-### Changed
+### Breaking changes
 
-- Update to Go 1.25.
+- The packages `sets`, `retry`, `github` have been removed, following the deprecation notice in v0.14.0.
+  This does not impact the users of the cogito Concourse resource.
+  It impacts only code using these packages directly. Such code should switch to https://github.com/Pix4D/go-kit, which contains the same packages (drop-in replacement).
 
 ## [v0.14.0] - 2026-01-26
 

CONTRIBUTING.md

@@ -15,8 +15,8 @@ In case of doubts about how to tackle testing something, feel free to ask.
 ## Required
 
 * Go, version >= 1.25
-* Docker, version >= 20
-* [Task], version >= 3.40
+* Docker, version >= 28
+* [Task], version >= 3.46
 
 ## Optional