feat: Update the banner with the correct versions

Author: sandornagy517

overrides/main.html

@@ -3,7 +3,7 @@
 {% block announce %}
 <div>
     <p>
-        <strong>🎉 New release!</strong> <span style="margin-left: 20px;"> Check out the latest versions for Frontend(<a href="/backstage-plugin-docs/release-notes/frontend/#0151">0.15.1</a>), Backend(<a href="/backstage-plugin-docs/release-notes/backend/#091">0.9.1</a>), Common(<a href="/backstage-plugin-docs/release-notes/common/#021">0.2.1</a>), Scaffolder Actions(<a href="/backstage-plugin-docs/release-notes/scaffolder-actions/#021">0.2.1</a>) and Entity Processor(<a href="/backstage-plugin-docs/release-notes/entity-processor/#031">0.3.1</a>) </span>
+        <strong>🎉 New release!</strong> <span style="margin-left: 20px;"> Check out the latest versions for Frontend(<a href="/backstage-plugin-docs/release-notes/frontend/#0190">0.19.0</a>), Backend(<a href="/backstage-plugin-docs/release-notes/backend/#0120">0.12.0</a>), Common(<a href="/backstage-plugin-docs/release-notes/common/#030">0.3.0</a>), Scaffolder Actions(<a href="/backstage-plugin-docs/release-notes/scaffolder-actions/#029">0.2.9</a>) and Entity Processor(<a href="/backstage-plugin-docs/release-notes/entity-processor/#0310">0.3.10</a>) </span>
     </p>
 </div>
 {% endblock %}