release Hatchling v1.21.1

Author: ofek

backend/src/hatchling/__about__.py

@@ -1 +1 @@
-__version__ = '1.21.0'
+__version__ = '1.21.1'

docs/history/hatchling.md

@@ -8,6 +8,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## Unreleased
 
+## [1.21.1](https://github.com/pypa/hatch/releases/tag/hatchling-v1.21.1) - 2024-01-25 ## {: #hatchling-v1.21.1 }
+
+***Fixed:***
+
+- Fix loading of local plugins to account for newly released versions of a dependency
+
 ## [1.21.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.21.0) - 2023-12-18 ## {: #hatchling-v1.21.0 }
 
 ***Added:***