Update "update banner" for 5.0

no refs.
- "Update banner" needed to be improved to drive more traffic

app/controllers/application.js

@@ -16,6 +16,7 @@ export default class ApplicationController extends Controller {
     @service router;
     @service session;
     @service settings;
+    @service store;
     @service ui;
 
     @reads('config.hostSettings.update.enabled')
@@ -47,6 +48,20 @@ export default class ApplicationController extends Controller {
                 && !router.currentRouteName.match(/(signin|signup|setup|reset)/);
     }
 
+    get ownerUserNameOrEmail() {
+        let user = this.store.peekAll('user').findBy('isOwnerOnly', true);
+
+        if (user) {
+            if (user.name) {
+                return user.name;
+            } else if (user.email) {
+                return user.email;
+            }
+        }
+
+        return null;
+    }
+
     @action
     openUpdateTab() {
         const updateWindow = window.open('', '_blank');

app/styles/layouts/main.css

@@ -2078,7 +2078,7 @@ section.gh-ds h2 {
     display: flex;
     align-items: center;
     justify-content: center;
-    background: #15171A;
+    background: linear-gradient(90deg, var(--purple) 0%, var(--pink) 100%);;
     color: rgba(255, 255, 255, 0.95);
     padding: 14px;
 }

app/templates/application.hbs

@@ -1,12 +1,24 @@
 <GhApp>
     <GhSkipLink @anchor=".gh-main">Skip to main content</GhSkipLink>
 
-    {{#if (and this.session.user.isOwnerOnly this.showUpdateLink)}}
+    {{#if (and this.session.user.isAdmin this.showUpdateLink)}}
     <aside class="gh-update-banner">
-        <div class="gh-alert-content">
-            Your site is ready for a major update!
-        </div>
-        <a href="#" {{on "click" this.openUpdateTab}}>Update to Ghost 5.0 &rarr;</a>
+        {{#if this.session.user.isOwnerOnly}}
+            <div class="gh-alert-content">
+                You're missing out on new features, update by January 31st.
+            </div>
+            <a href="#" {{on "click" this.openUpdateTab}}>Update to Ghost 5.0 &rarr;</a>
+        {{else}}
+            <div class="gh-alert-content">
+                Your Ghost install is ready for a major update!
+                {{#if this.ownerUserNameOrEmail}}
+                    {{this.ownerUserNameOrEmail}}
+                {{else}}
+                    Your Site Owner
+                {{/if}}
+                will need to log in to do this.
+            </div>
+        {{/if}}
     </aside>
     {{/if}}
 
@@ -65,4 +77,4 @@
 <div id="unsplash-selector-wormhole"></div>
 
 <EpmModalContainer />
-<EmberLoadRemover />
+<EmberLoadRemover />