fix(docs): use current_version data in Getting Started > Download (#…

…1926)

site/content/docs/5.3/getting-started/download.md

@@ -67,7 +67,7 @@ Pull in Boosted's **source files** into nearly any project with some of the most
 Install Boosted in your Node.js powered apps with [the npm package](https://www.npmjs.com/package/boosted):
 
 ```sh
-npm install boosted@v5.3.0-alpha2
+npm install boosted@{{< param "current_version" >}}
 ```
 
 `const boosted = require('boosted')` or `import boosted from 'boosted'` will load all of Boosted's plugins onto a `boosted` object.
@@ -87,7 +87,7 @@ Boosted's `package.json` contains some additional metadata under the following k
 Install Boosted in your Node.js powered apps with [the yarn package](https://yarnpkg.com/en/package/boosted):
 
 ```sh
-yarn add boosted@v5.3.0-alpha2
+yarn add boosted@{{< param "current_version" >}}
 ```
 
 ### Composer