Charts: rename semi pie size to width and fix stories (#41270)

* size renamed back to width for semi circle chart

* changelog

* changed stories as well

* add height and width for pie and semi pie

* fix comment for responsive story

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/12920151520

Upstream-Ref: Automattic/jetpack@6d97224

CHANGELOG.md

@@ -5,6 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.6.0-alpha] - unreleased
+
+This is an alpha version! The changes listed here are not final.
+
+### Changed
+- size props renamed to width for semi circle chart
+
 ## [0.5.0] - 2025-01-22
 ### Changed
 - Simplify rollup config and remove a cjs import [#41266]
@@ -71,6 +78,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fixed lints following ESLint rule changes for TS [#40584]
 - Fixing a bug in Chart storybook data. [#40640]
 
+[0.6.0-alpha]: https://github.com/Automattic/charts/compare/v0.5.0...v0.6.0-alpha
 [0.5.0]: https://github.com/Automattic/charts/compare/v0.4.0...v0.5.0
 [0.4.0]: https://github.com/Automattic/charts/compare/v0.3.0...v0.4.0
 [0.3.0]: https://github.com/Automattic/charts/compare/v0.2.3...v0.3.0