Merge branch '35996-icon-hover-color' into 'master'

Update icon color on hover

Closes #35996

See merge request !13393

app/assets/stylesheets/new_sidebar.scss

@@ -215,6 +215,10 @@ $new-sidebar-collapsed-width: 50px;
 
       &:hover {
         color: $gl-text-color;
+
+        svg {
+          fill: $gl-text-color;
+        }
       }
     }