Update Vue Mastery Banner copy (vuejs#2809)

* chore: update sponsors

* Update Vue Mastery banner copy

Co-authored-by: vue-bot <[email protected]>

Author: pieer

themes/vue/_config.yml

@@ -125,6 +125,9 @@ gold_sponsors:
   - url: 'https://quickbookstoolhub.com/'
     img: quickbooks_tool_hub.png
     name: Quickbooks Tool Hub
+  - url: 'https://linecorp.com'
+    img: line_corporation.png
+    name: LINE Corporation
 silver_sponsors:
   - url: 'https://roadster.com'
     img: roadster.png

themes/vue/layout/partials/vuemastery_banner.ejs

@@ -3,7 +3,7 @@
     <div class="vuemastery-banner--wrapper">
       <img class="vuemastery-banner--logo" src="/images/logo-vuemastery.svg" alt="vuemastery" />
       <p><span>Watch all Vue Mastery courses</span>Free all weekend on April 23-25</p>
-      <button class="vuemastery-button">Reserve your spot</button>
+      <button class="vuemastery-button">Register now</button>
     </div>
     <div id="vm-close" class="vuemastery-banner--close"></div>
   </a>