Merge pull request #11080 from hashicorp/jbs-www-0-dot-8

Website: update latest callout to mention 0.8

website/source/index.html.erb

@@ -252,9 +252,9 @@
 	<div class="container">
 		<div class="row">
 			<div class="col-sm-12">
-				<p class="lead"><strong>Latest:</strong> We’ve released Terraform 0.7!</p>
+				<p class="lead"><strong>Latest:</strong> We’ve released Terraform 0.8!</p>
 				<p>
-					<a class="outline-btn" href="https://www.hashicorp.com/blog/terraform-0-7.html">Read more</a>
+					<a class="outline-btn" href="https://www.hashicorp.com/blog/terraform-0-8.html">Read more</a>
 				</p>
 			</div>
 		</div>