Release v5.3.0 (#38657)

* Bump version to 5.3.0

* Dist

README.md

@@ -46,11 +46,11 @@ Our default branch is for development of our Bootstrap 5 release. Head to the [`
 
 Several quick start options are available:
 
-- [Download the latest release](https://github.com/twbs/bootstrap/archive/v5.3.0-alpha3.zip)
+- [Download the latest release](https://github.com/twbs/bootstrap/archive/v5.3.0.zip)
 - Clone the repo: `git clone https://github.com/twbs/bootstrap.git`
-- Install with [npm](https://www.npmjs.com/): `npm install [email protected]-alpha3`
-- Install with [yarn](https://yarnpkg.com/): `yarn add [email protected]-alpha3`
-- Install with [Composer](https://getcomposer.org/): `composer require twbs/bootstrap:5.3.0-alpha3`
+- Install with [npm](https://www.npmjs.com/): `npm install [email protected]`
+- Install with [yarn](https://yarnpkg.com/): `yarn add [email protected]`
+- Install with [Composer](https://getcomposer.org/): `composer require twbs/bootstrap:5.3.0`
 - Install with [NuGet](https://www.nuget.org/): CSS: `Install-Package bootstrap` Sass: `Install-Package bootstrap.sass`
 
 Read the [Getting started page](https://getbootstrap.com/docs/5.3/getting-started/introduction/) for information on the framework contents, templates, examples, and more.