fix(admin-ui): Improve tabs hover style (#2584)

packages/admin-ui/src/lib/core/src/shared/components/page-header-tabs/page-header-tabs.component.scss

@@ -5,6 +5,11 @@
 
 .tab-bar {
     display: flex;
+
+    & a:hover {
+        color: var(--color-text-active);
+        border-bottom-color: var(--color-text-active);
+    }
 }
 
 .tab {