[1.5.21](https://github.com/PH-Tools/PH_units/compare/v1.5.20...v1.5.21) (2025-02-11)
Bug Fixes
* **ci:** update CI node version ([9a79578](https://github.com/PH-Tools/PH_units/commit/9a795781beeb7e03613c61d69c767a1cab018de4))
* **energy:** Add kWh/in2 unit type conversion ([d9f6bde](https://github.com/PH-Tools/PH_units/commit/d9f6bdeefe9716809befe103e93136c8aa48fc02))