Define a helper to download to avoid duplication

ruby-builder.js

@@ -4,7 +4,6 @@ const path = require('path')
 const core = require('@actions/core')
 const exec = require('@actions/exec')
 const io = require('@actions/io')
-const tc = require('@actions/tool-cache')
 const common = require('./common')
 const rubyBuilderVersions = require('./ruby-builder-versions')
 
@@ -74,9 +73,8 @@ async function downloadAndExtract(platform, engine, version, rubyPrefix) {
   const downloadPath = await common.measure('Downloading Ruby', async () => {
     const url = getDownloadURL(platform, engine, version)
     console.log(url)
-    const auth = common.inputs.token ? `token ${common.inputs.token}` : undefined
     try {
-      return await tc.downloadTool(url, undefined, auth)
+      return await common.download(url)
     } catch (error) {
       if (error.message.includes('404')) {
         throw new Error(`Unavailable version ${version} for ${engine} on ${platform}