Merge pull request #15 from Pix4D/prepare-v0.3.0

prepare release v0.3.0

Author: marco-m-pix4d

CHANGELOG.md

@@ -1,7 +1,26 @@
+<!--
+# TEMPLATE
+
+Instructions
+
+Do not touch this section. Instead, update the section below called Unreleased, by copying
+the subsections here as needed. This two-level approach ensures understandable diffs
+when updating the CHANGELOG for a release.
+
+### Added
+### Changed
+### Breaking changes
+### Deprecated
+### Removed
+### Fixed
+-->
+
 # pix4d/go-kit CHANGELOG
 
 ## [Unreleased]
 
+## [v0.3.0] 2026-04-13
+
 ### Added
 
 - Package `googlechat`, imported from cogito.
@@ -10,11 +29,6 @@
 
 - go.mod: upgrade to Go 1.26.2
 
-### Deprecated
-### Removed
-### Fixed
-### Security
-
 ## [v0.2.0] - 2026-01-20
 
 ### Added
@@ -40,5 +54,6 @@
 
 
 [Unreleased]: https://github.com/pix4d/go-kit/compare/v0.2.0...HEAD
+[v0.3.0]:     https://github.com/pix4d/go-kit/compare/v0.2.0...v0.3.0
 [v0.2.0]:     https://github.com/pix4d/go-kit/compare/v0.1.0...v0.2.0
 [v0.1.0]:     https://github.com/pix4d/go-kit/compare/v0.0.0...v0.1.0