docs: date the v0.1.1 changelog entry (2026-06-26)

Author: tamirelazar

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 Format follows [Keep a Changelog](https://keepachangelog.com/en/1.1.0/);
 versioning follows [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [0.1.1] - TBD
+## [0.1.1] - 2026-06-26
 
 Distribution and release-pipeline fixes.