chore(release): Update changelog and package version [skip ci]

Author: Apify Release Bot

CHANGELOG.md

@@ -2,11 +2,7 @@
 
 All notable changes to this project will be documented in this file.
 
-<!-- git-cliff-unreleased-start -->
-
-## 1.2.1 - **not yet released**
-
-<!-- git-cliff-unreleased-end -->
+## [1.2.1](https://github.com/apify/apify-cli/releases/tag/v1.2.1) (2026-01-06)
 
 ## [1.2.0](https://github.com/apify/apify-cli/releases/tag/v1.2.0) (2026-01-06)