Fix missing closing > on Stimulus controller div and whale color

The opening div tag for the Stimulus controller was missing its
closing >, preventing the controller from connecting. This caused
the whale animation, elapsed timer, and progress bar to not work.
Also add !important to whale colors to override dark theme.

Author: Sebbeben

templates/admin/update_manager/docker_progress.html.twig

@@ -14,12 +14,12 @@
         }
         .docker-whale {
             font-size: 3rem;
-            color: #0db7ed;
+            color: #0db7ed !important;
             animation: whale-bob 2s ease-in-out infinite;
             display: inline-block;
         }
         .docker-whale.success {
-            color: #198754;
+            color: #198754 !important;
             animation: whale-arrive 0.6s ease-out forwards;
         }
         .docker-whale.timeout {
@@ -95,7 +95,7 @@
      data-docker-update-progress-text-timeout-value="{% trans %}update_manager.docker.timeout_title{% endtrans %}"
      data-docker-update-progress-text-timeout-detail-value="{% trans %}update_manager.docker.timeout_message{% endtrans %}"
      data-docker-update-progress-text-step-pull-value="{% trans %}update_manager.docker.step_pull{% endtrans %}"
-     data-docker-update-progress-text-step-restart-value="{% trans %}update_manager.docker.step_restart{% endtrans %}"
+     data-docker-update-progress-text-step-restart-value="{% trans %}update_manager.docker.step_restart{% endtrans %}">
 
     {# Progress Header #}
     <div class="text-center mb-4">