Reduce free trial duration to 14 days

source/free-trial/index.html

@@ -16,7 +16,7 @@ extra_css:
   <div class="centered-form">
     <div class="free-trial-intro">
-      Submit this form for your free 30-day trial of GitLab Enterprise Edition.
+      Submit this form for your free 14-day trial of GitLab Enterprise Edition.
       Once submitted, you’ll receive an email with your license key and download
       instructions. If you have any questions, please
       <a href="/sales">contact sales</a>.