Add links to changelog (#238)

* Add links to changelog

* Update CHANGELOG.md

Co-authored-by: Thomas Judd-Cooper <[email protected]>

* Bugfix

---------

Co-authored-by: Thomas Judd-Cooper <[email protected]>

Author: edwardhorsford

CHANGELOG.md

@@ -4,39 +4,39 @@
 
 :wrench: **Fixes**
 
-* Add js shims for buttons. PR #231, Fixes #218
-* Fix errors not being linked to inputs. PR #230, Fixes #227
-* Fix inputs incorrectly using `aria-labelledby`. PR #230, Fixes #212
+* Add js shims for buttons. PR [#231](https://github.com/NHSDigital/nhsuk-react-components/pull/231), Fixes [#218](https://github.com/NHSDigital/nhsuk-react-components/issues/218)
+* Fix errors not being linked to inputs. PR [#230](https://github.com/NHSDigital/nhsuk-react-components/pull/230), Fixes [#227](https://github.com/NHSDigital/nhsuk-react-components/issues/227)
+* Fix inputs incorrectly using `aria-labelledby`. PR [#230](https://github.com/NHSDigital/nhsuk-react-components/pull/230), Fixes [#212](https://github.com/NHSDigital/nhsuk-react-components/issues/212)
 * Update Storybook docs for several components.
 
 :new: **New features**
 
 * Added a CHANGELOG to keep track of changes between releases. [Keep a changelog](https://keepachangelog.com)
-* Added support for `preventDoubleClick` debouncing on buttons. PR #231
-* Error summaries now automatically set role, tabindex, and aria-labelledby. PR #229, Fixes #228
-* Storybook link in readme now points to latest version. PR #226
+* Added support for `preventDoubleClick` debouncing on buttons. PR [#231](https://github.com/NHSDigital/nhsuk-react-components/pull/231)
+* Error summaries now automatically set role, tabindex, and aria-labelledby. PR [#229](https://github.com/NHSDigital/nhsuk-react-components/pull/237), Fixes [#228](https://github.com/NHSDigital/nhsuk-react-components/issues/229)
+* Storybook link in readme now points to latest version. PR [#226](https://github.com/NHSDigital/nhsuk-react-components/pull/226)
 
 ## 4.0.2 - 21 May 2024
 
 :wrench: **Fixes**
 
-*-* Fix error message role by @edwardhorsford in #219
+* Fix error message role by @edwardhorsford in [#219](https://github.com/NHSDigital/nhsuk-react-components/pull/219)
 
 ## 4.0.1 - 20 May 2024
 
 :wrench: **Fixes**
 
-* Fix issue with the footer copyright not being rendered in the correct location if there are multiple link columns by @jakeb-nhs in #223
+* Fix issue with the footer copyright not being rendered in the correct location if there are multiple link columns by @jakeb-nhs in [#223](https://github.com/NHSDigital/nhsuk-react-components/pull/223)
 
 ## 4.0.0 - 15 May 2024
 
 This version updates nhsuk-frontend to version 8.
 
 For a full list of changes in this release please refer to the [migration doc](https://github.com/NHSDigital/nhsuk-react-components/blob/feature/nhsuk-frontend-v8/docs/upgrade-to-4.0.md).
 
-* Migrate enzyme to react-testing-library by @JoshuaBates-NHS in #198
-* Allow support for module directives in build process by @JoshuaBates-NHS in #199
-* Update modified components since NHS UK frontend v5 by @jakeb-nhs in #197
-* Add new components since NHS UK frontend v5 by @jakeb-nhs in #202
-* Migrate some patterns to components, rework removed components from frontend v8 by @jakeb-nhs in #203
-* Improve unit test coverage by @jakeb-nhs in #204
+* Migrate enzyme to react-testing-library by @JoshuaBates-NHS in [#198](https://github.com/NHSDigital/nhsuk-react-components/pull/198)
+* Allow support for module directives in build process by @JoshuaBates-NHS in [#199](https://github.com/NHSDigital/nhsuk-react-components/pull/199)
+* Update modified components since NHS UK frontend v5 by @jakeb-nhs in [#197](https://github.com/NHSDigital/nhsuk-react-components/pull/197)
+* Add new components since NHS UK frontend v5 by @jakeb-nhs in [#202](https://github.com/NHSDigital/nhsuk-react-components/pull/202)
+* Migrate some patterns to components, rework removed components from frontend v8 by @jakeb-nhs in [#203](https://github.com/NHSDigital/nhsuk-react-components/pull/203)
+* Improve unit test coverage by @jakeb-nhs in [#204](https://github.com/NHSDigital/nhsuk-react-components/pull/204)