replace LTS with 3.0 support

Author: jaredgalanis

app/templates/browser-support.hbs

@@ -6,7 +6,7 @@
     <h2>Ember 4.0.0</h2>
 
     <p>
-      In Ember 4.0.0, the framework currently supports the following major browsers:
+      In Ember 4.0.0, the framework supports the following major browsers:
     </p>
 
     <ul class="list-unstyled layout my-3">
@@ -36,7 +36,11 @@
       </EsCard>
     </ul>
 
-    <h2>LTS Support</h2>
+    <h2>Ember 3.0.0</h2>
+
+    <p>
+      Ember currently targets Internet Explorer 11 as a baseline for support. This means that generally all modern and relatively recent browsers will work with Ember, since browsers are backwards compatible by design. Ember runs tests against the latest desktop versions of the following browsers:
+    </p>
 
     <div class="layout my-3">
       <div class="card lg:col-2 lg:start-3">